A variety of manufacturing processes are available, each one having its own distinct set of high-performance materials. The links below can be navigated to see the available materials for Xometry instant online quoting.
Materials by category:
CNC Machined Metals
A variety of CNC machined metal part options are available for an instant online quote. If you do not see the material stock you are looking for, please choose "Custom" under the material drop-down on your quote page and submit for an expert engineering review once you have specified features, tolerances, inspection needs, and quantities required.
Aluminum Alloy
Aluminum 6061: Our most popular machined metal. Easily machined and lightweight, it is perfect for prototypes, military, and aerospace applications. The most common alloy configurations are available for selection. Choose Best Available if a specific alloy beyond -T6 isn't required.
- Aluminum 6061-T6x (Best Available)
- Aluminum 6061-T651, Plate
- Aluminum 6061-T6511, Bar/Rod
Aluminum 2024: Used when a high strength-to-weight ratio is required, such as for gears, shafts, and fasteners. It is non-magnetic and heat treatable.
Aluminum 5052: Corrosion-resistant aluminum is frequently used in sheet metal applications.
Aluminum 6063: Commonly used outdoors as architectural trim, railings, and door frames, 6063 aluminum has better machinability than 3003. It is non-magnetic and heat treatable.
Aluminum 7050: Preferred over 7075 aluminum for use in structural applications, 7050 is a high-strength material that resists fatigue and stress cracking. 7050 is non-magnetic and heat treatable
Aluminum 7075: Harder and higher strength aluminum alloy good for high-stress parts.
Aluminum MIC-6: A cast aluminum plate often used for tooling and base plates.
Bronze, Brass, and Copper Alloy
Copper 101: Commonly known as Oxygen-Free Copper, this alloy is great for electrical conductivity.
Copper 260 (Brass): A highly formidable brass. Great for radiator components and decorative door hardware.
Copper C110: A multipurpose copper comes in all shapes and sizes. Often used in electrical applications.
Copper C360 (Brass): A highly machinable brass. Great for prototyping gears, fittings, valves, and screws.
Copper C932 (Bronze): The standard bearing bronze for light-duty applications. It is easily machinable and resistant to corrosion.
Stainless Steel
Nitronic 60: A stainless steel, also known as UNS S21800 or 218 stainless, is a high-performance metal with high temperature and wear resistance. Its corrosion resistance is superior to 300-series stainless steel. Nitronic 60 can maintain its strength to over 1800°F and is common in aerospace for flight parts.
Stainless Steel 15-5: Offers corrosion resistance similar to Stainless 304. Improved workability, hardness, and high corrosion resistance.
Stainless Steel 17-4: A high-strength, corrosion-resistant stainless alloy. Easily heat treatable. Typically used in medical equipment.
Stainless Steel 18-8: One of the most commonly used stainless steels. Also known as Stainless Steel 304.
Stainless Steel 303: A machinable, corrosion-resistant steel. (View spec sheet)
Stainless Steel 304: A machinable, corrosion-resistant steel.
Stainless Steel 316/316L: A highly corrosion-resistant steel popular for medical devices. (View spec sheet)
Stainless Steel 410: A wear and corrosion-resistant stainless steel used in fasteners, cutlery, nozzles, and tools. 410 stainless is one of the most commonly used 400-series alloys and is often heat treated. 410 stainless steel is magnetic.
Stainless Steel 416: Easily machinable but can be heat-treated to increase strength and hardness. Low corrosion resistance.
Stainless Steel 420: Contains more carbon than Stainless 410 to give it increased hardness and strength when heat treated. Offers mild corrosion resistance, high heat resistance, and improved strength.
Stainless Steel 440C: One of the hardest stainless steels with a Rockwell of 58-60 HRC after heat treatment. 440C is common in bearing applications where high
Steel
Steel 1018: The most prominent of the carbon steels. The low carbon content makes this steel ductile and suitable for forming and welding. (View spec sheet)
Steel 1215: A carbon steel that is easily machinable compared to other steels like 1018. 1215 steel offers an excellent surface finish for precision-machined components
Steel 4130: Offers great weldability without compromising impact resistance. Often used in gears and fasteners.
Steel 4140: Additional chromium makes this steel corrosion and fracture-resistant.
Steel 4140PH: A pre-hardened HRC 28-32 variant of 4140 steel, also known as chrome-moly steel. The hardened condition does not require post-thermal treatment and resists stress fractures. 4140PH applications include collars, couplings, gears, and tool holders.
Steel 4340: A structural steel with a very high tensile strength compared to 4140 alloys. 4340 can withstand extreme heat, wear, and impact, which makes it useful for shafts, landing gear, collets, and molds. Typically 4340 is machined in an annealed condition (HRC 20) and can be hardened with heat treatment.
Steel A36: A standard architectural, low-carbon steel. Weldable.
Titanium
Titanium (Grade 2): High strength, low weight, and high thermal conductivity. Ideal for applications in the aerospace and automotive industries.
Titanium (Grade 5): Excellent strength-to-weight ratio, and the high aluminum content in Ti-6Al-4V increases strength. This is the most commonly used titanium, offering good corrosion resistance, weldability, and formability.
Zinc
Zinc Alloy: Continuous-cast alloy. Zinc alloy has good electrical conductivity and is highly resistant to corrosion. This alloy is readily treatable for painting, plating, and anodizing.
CNC Plastics
A variety of CNC machined plastic part options are available for an instant online quote. If you do not see the material stock you are looking for, please choose "Custom" under the material drop-down on your quote page and submit for an expert engineering review once you have specified features, tolerances, inspection needs, and quantities required.
ABS: High strength engineering plastic, used for many commercial products.
Acrylic: A clear glass-like plastic. Good wear and tear properties. Great for outdoor use.
Delrin (Acetal): Resin with good moisture resistance, high wear resistance, and low friction.
HDPE (high-density polyethylene): A moisture and chemical-resistant plastic with good impact strength. The material is outstanding for outdoor applications as well as for watertight containers or seals. HDPE for CNC machining is typically white.
Nylon 6/6: Offers increased mechanical strength, rigidity, good stability under heat and/or chemical resistance.
PC (Polycarbonate): With almost twice the tensile strength of ABS, polycarbonate has superior mechanical and structural properties. Used widely in automotive, aerospace, and other applications that require durability and stability. Solid infill parts are fully dense.
PEEK: Offering excellent tensile strength, PEEK is often used as a lightweight substitute for metal parts in high-temperature, high-stress applications. PEEK resists chemicals, wear, and moisture.
Polypropylene: Has excellent electrical properties and little or no moisture absorption. It carries light loads for a long period in widely varying temperatures. It can be machined into parts requiring chemical or corrosion resistance.
PTFE (Teflon): This material surpasses most plastics when it comes to chemical resistance and performance in extreme temperatures. It resists most solvents and is an excellent electrical insulator.
PVC (polyvinyl chloride): A highly chemical-resistant synthetic plastic, PVC is common in environments that are exposed to liquids or that require electrical insulation. PVC is also self-extinguishing and is utilized in places where flame retardance is required. PVC for CNC machining (Type 1) is typically gray.
UHMW PE: Ultra-high molecular weight polyethylene. A general-purpose material. It offers a unique combination of wear and corrosion resistance, low surface friction, high impact strength, high chemical resistance, and does not absorb moisture.
CNC Composites
CNC composite machining is available for an instant online quote. If you do not see the material stock you are looking for, please choose "Other" under the material drop-down on your quote page and submit for an expert engineering review once you have specified features, tolerances, inspection needs, and quantities required.
- Garolite G-10: Constructed of an epoxy resin with fiberglass fabric reinforcement, and also called epoxy-grade industrial laminate and phenolic, this material offers high strength and low moisture absorption.
Read our Blog Post on Garolite Manufacturing
Sheet Metals
A variety of sheet metal and fabrications options are available for an instant online quote. If you do not see the material stock you are looking for, please choose "Custom" under the material drop-down on your quote page and submit for an expert engineering review once you have specified features, tolerances, inspection needs, and quantities required.
Sheet Stock Sizes and Gauge Lookup Chart
See the most common available sheet gauges.
| Steel | Galvanized | Stainless | Aluminum |
|---|
Gauge | in. | mm | in. | mm | in. | mm | in. | mm |
3 | 0.2391 | 6.07 | | | | | | |
4 | 0.2242 | 5.69 | | | | | | |
5 | 0.2092 | 5.31 | | | | | | |
6 | 0.1943 | 4.94 | | | | | 0.1620 | 4.11 |
7 | 0.1793 | 4.55 | | | 0.1875 | 4.76 | 0.1443 | 3.67 |
8 | 0.1644 | 4.18 | 0.1681 | 4.27 | 0.1719 | 4.37 | 0.1285 | 3.26 |
9 | 0.1495 | 3.80 | 0.1532 | 3.89 | 0.1563 | 3.97 | 0.1144 | 2.91 |
10 | 0.1345 | 3.42 | 0.1382 | 3.51 | 0.1406 | 3.57 | 0.1019 | 2.59 |
11 | 0.1196 | 3.04 | 0.1233 | 3.13 | 0.1250 | 3.18 | 0.0907 | 2.30 |
12 | 0.1046 | 2.66 | 0.1084 | 2.75 | 0.1094 | 2.78 | 0.0808 | 2.05 |
13 | 0.0897 | 2.28 | 0.0934 | 2.37 | 0.0940 | 2.39 | 0.0720 | 1.83 |
14 | 0.0747 | 1.90 | 0.0785 | 1.99 | 0.0781 | 1.98 | 0.0641 | 1.63 |
15 | 0.0673 | 1.71 | 0.0710 | 1.80 | 0.0700 | 1.78 | 0.0570 | 1.45 |
16 | 0.0598 | 1.52 | 0.0635 | 1.61 | 0.0625 | 1.59 | 0.0508 | 1.29 |
17 | 0.0538 | 1.37 | 0.0575 | 1.46 | 0.0560 | 1.42 | 0.0450 | 1.14 |
18 | 0.0478 | 1.21 | 0.0516 | 1.31 | 0.0500 | 1.27 | 0.0403 | 1.02 |
19 | 0.0418 | 1.06 | 0.0456 | 1.16 | 0.0440 | 1.12 | 0.0360 | 0.91 |
20 | 0.0359 | 0.91 | 0.0396 | 1.01 | 0.0375 | 0.95 | 0.0320 | 0.81 |
21 | 0.0329 | 0.84 | 0.0366 | 0.93 | 0.0340 | 0.86 | 0.0280 | 0.71 |
22 | 0.0299 | 0.76 | 0.0336 | 0.85 | 0.0310 | 0.79 | 0.0250 | 0.64 |
23 | 0.0269 | 0.68 | 0.0306 | 0.78 | 0.0280 | 0.71 | 0.0230 | 0.58 |
24 | 0.0239 | 0.61 | 0.0276 | 0.70 | 0.0250 | 0.64 | 0.0200 | 0.51 |
25 | 0.0209 | 0.53 | 0.0247 | 0.63 | 0.0220 | 0.56 | 0.0180 | 0.46 |
26 | 0.0179 | 0.45 | 0.0217 | 0.55 | 0.0190 | 0.48 | 0.0170 | 0.43 |
28 | 0.0149 | 0.38 | 0.0187 | 0.47 | 0.0160 | 0.41 | 0.0126 | 0.32 |
In the table above: Standard Gauges and Stock Material Thicknesses
Sheet Stock Material Thickness Tolerances
Sheet metal material stock has general tolerances for thickness. The following table is a quick reference for standard aluminum 5052 material thickness tolerances.
5052-H32 Aluminum Alloy Sheet Thickness Tolerances |
|---|
Thickness (in.) | Tolerance range (+/- in.) |
0.032” | -0.003” to 0.003” |
0.040” | -0.004” to 0.004” |
0.050” | -0.004” to 0.004” |
0.062” | -0.004” to 0.004” |
0.080” | -0.005” to 0.005” |
0.090” | -0.005” to 0.005” |
0.100” | -0.005” to 0.005” |
0.125” (⅛”) | -0.006” to 0.006” |
0.190” | -0.011” to 0.011” |
0.250” (¼”) | -0.015” to 0.015” |
0.375” (⅜”) | -0.020” to 0.020” |
0.500” (½”) | -0.027” to 0.027” |
Standard stock material tolerances may vary between alloys and treatments. Sheet metal with tighter tolerances sheet can be specified if required.
Visit our sheet metal fabrication services page
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Sheet Materials
Sheet metal services can include bending, welding, custom finishing, and installing inserts such as PEM fasteners. If you do not see the material stock you are looking for, please choose "Custom" under the material drop-down on your quote page and submit for an expert engineering review once you have specified features, tolerances, inspection needs, and quantities required.
Aluminum Sheet
Aluminum 5052: Corrosion-resistant aluminum frequently used in sheet metal applications.
Bronze and Copper Sheet
Copper 260 (Brass): A highly formable brass. Great for radiator components and decorative door hardware.
Copper C101: Commonly known as Oxygen-Free Copper, this alloy is great for electrical conductivity.
Copper C110: A multipurpose copper comes in all shapes and sizes. Often used in electrical applications.
Stainless Steel Sheet
Stainless Steel 101: A strong steel able to withstand repeated stress and wear.
Stainless Steel 304/L: A machinable, corrosion-resistant steel.
Steel Sheet
Steel 1018: General Purpose 1018 steel is the most prominent of the carbon steels. The low carbon content makes this steel ductile and suitable for forming and welding. (View spec sheet)
3D Printed Metals (DMLS, Binder Jetting)
Various metal 3D printing options through laser sintering are available for an instant online quote. If you do not see the material stock you are looking for, please choose “Custom” under the material drop-down on your quote page and submit for an expert engineering review once you have specified features, tolerances, inspection needs, and quantities required.
Direct Metal Laser Sintering (DMLS) 3D Printed Materials
Also known as Selective Laser Melting (SLM) or Direct Metal Laser Melting (DMLM). Material spec sheets are for reference only.
Learn more about our metal 3D printing services
3D Printed Aluminum AlSi10Mg: Lightweight aluminum allow, AlSi10Mg. A great alternative to machining or casting complex geometries (View spec sheet)
3D Printed Stainless Steel 316/L: Fully-dense 316L stainless steel metal, superb corrosion resistance, meets requirements of ASTM F138 (View spec sheet)
3D Printed Stainless Steel 316/L: Fully-dense 316L stainless steel metal, superb corrosion resistance, meets requirements of ASTM F138 (View spec sheet)
Metal Binder Jetting 3D Printed Metals and Metal Composites (learn more)
ExOne's Binder Jet Metal 3D printing instantly quotes online with its premiere material 420i.
X1 Metal 420i (Stainless Steel Infiltrated with Bronze): A matrix metal composite material composed of 60% 420 stainless steel and 40% bronze infiltrant. This material offers good mechanical properties and offers excellent wear resistance. 95%+ density. Properties compare similarly to 4140 steel. Available in six finishes: Zirblast (Standard), Tumble Polished, Medieval Pewter, Damascus Steel, Antique Bronze, and Wheat Penny. (View spec sheet)
- X1 Metal 316i (Stainless Steel Infiltrated with Bronze): A matrix metal composite material composed of 60% 316 stainless steel and 40% bronze infiltrant. This material offers good mechanical properties and offers excellent wear resistance. 95%+ density. 316i is more corrosion resistant than 420i. Available in six finishes: Zirblast (Standard), Tumble Polished, Medieval Pewter, Damascus Steel, Antique Bronze, and Wheat Penny. (View spec sheet)
- 316L (single alloy): 98%+ dense 316L stainless steel metal, superb corrosion resistance, and excellent feature details. Zirblast finish. (View spec sheet)
3D Printed Plastics
A variety of plastic 3D printing options are available for an instant online quote. If you do not see the material stock you are looking for, please choose "Custom" under the material drop-down on your quote page and submit for an expert engineering review once you have specified features, tolerances, inspection needs, and quantities required.
3D printed plastics by process:
Carbon Digital Light Synthesis (DLS, CLIP) 3D Printed Materials
Learn more about our Carbon DLS 3D printing services
Prototyping Material:
DLS UMA 90 (Urethane Methacrylate): The UMA family contains rigid resins similar to conventional SLA resins. They are well suited for producing manufacturing jigs, fixtures, and general-purpose prototypes. (View spec sheet)
Rigid Plastic:
DLS CE 221 (Cyanate ester): CE 221 is a high-performance material with excellent strength, stiffness, and temperature resistance (231 °C). CE is comparable to 14% glass-filled Nylon 6. (View spec sheet)
DLS EPX 82 (Epoxy): EPX 82 is a high-strength engineering material with excellent long-term durability. This material has a heat deflection temperature ranging from 104°C to 130°C (depending on conditioning) and the functional toughness required for a variety of automotive and industrial applications such as connectors, brackets, and housings. EPX 82 is comparable to lightly glass-filled thermoplastics (e.g. 20% GF-PBT, 15% GF-Nylon). (View spec sheet)
DLS RPU 70 (Rigid Polyurethane): RPU 70 is a tough, general-purpose material that is a good choice for parts requiring strength, durability, and moderate heat resistance. This material has a UL 94 HB flame resistance classification. RPU 70 is comparable to ABS. (View spec sheet)
Highly Flexible Plastic:
DLS FPU 50 (Flexible Polyurethane): FPU 50 is an impact, abrasion, and fatigue resistant semi-rigid material that is a good choice for parts that must withstand repetitive stresses. This material can be ideal for tough enclosures, hinging mechanisms, and friction fits. FPU is comparable to polypropylene. (View spec sheet)
Elastomers and Rubber-Like Material:
DLS EPU 40 (Elastomeric Polyurethane): EPU 40 is a high-performance polyurethane elastomer that is a good choice for applications where high elasticity and tear resistance are needed. EPU 40 is comparable to commercial TPUs with a Shore hardness of 70A. (View spec sheet)
DLS SIL 30 (Silicone): SIL 30 is a silicone urethane. It offers a unique combination of low durometer and tear-resistance for printed parts. This material is well-suited for applications such as headphones, wristbands, and various attachments for wearables. SIL 30 has a Shore hardness of 35A (View spec sheet)
Fused Deposition Modeling (FDM) 3D Printed Materials
Xometry uses Stratasys Fortus FDM platforms for all FDM 3D printed parts. Learn more about our FDM 3D printing services.
- FDM Next Available ABS or ASA: Next available ABS-M30 or ASA plastic built with fused deposition modeling (FDM). Colors may vary in orders selected as Next Available.
- FDM Next Available Prototyping PLA: Next available PLA plastic built with fused filament fabrication (FFF) on a desktop 3D printer. Colors may vary in orders selected as Next Available.
- FDM ABS-M30: Great general-purpose material available in six colors. Ideal for functional prototypes and low volume production. (View spec sheet)
- FDM ABS-ESD7: Static dissipative ABS ESD (electrostatic dissipative) material. Great for jigs and fixtures in electronic assembly environments. (View spec sheet)
- FDM ABS-M30i: Biocompatible ABS material can be gamma or EtO sterilized (ISO 10993 USP Class VI). Well suited for conceptual modeling, tools, and guides. (View spec sheet)
- FDM ABSi: A translucent ABS material available in natural, amber, and red. Great for visual prototypes and lighting applications. (View spec sheet)
- FDM ASA: Matches or exceeds the properties of standard ABS and has higher UV stability. Ten colors are available. A strong "go-to" general purpose material. (View spec sheet)
- FDM Nylon 12: Nylon is a ductile and chemical resistant plastic great for rugged applications. This black material is flexible enough for snap fits and is useful in environments that experience high shock and vibration. (View spec sheet)
- FDM PC (Polycarbonate): With almost twice the tensile strength of ABS, polycarbonate has superior mechanical and structural properties. Used widely in automotive, aerospace, and other applications that require durability and stability. (View spec sheet)
- FDM PC-ABS: The best of both PC and ABS. Higher-strength engineering thermoplastic with slightly more flexibility than standard polycarbonate. (View spec sheet)
- FDM PC-ISO: Biocompatible PC material can be gamma or EtO sterilized (ISO 10993 USP Class VI). Well suited for food and drug packaging as well as medical device manufacturing. (View spec sheet)
- FDM PPSF*: Polyphenylsulfone has the highest heat and chemical resistance of all FDM materials with superior mechanical strength. Sterilizable via autoclave, EtO, plasma, chemical, and radiation. Great for scientific and lab applications. (View spec sheet) *Available by custom request.
- FDM Ultem 1010: Flame retardant high-performance thermoplastic for end-use parts. Certified for food contact and biocompatibility. Widely used in aviation or transportation industries due to UL94 classification. (View spec sheet)
- FDM Ultem 9085: Flame retardant high-performance thermoplastic for complex end-use parts. Heavily used in transportation and aerospace, can also be applied in high heat mechanical environments. (View spec sheet)
- FFF Prototyping PLA: An economical, rigid plastic for low-wear indoor parts, concept models, and prototyping. PLA is very popular due to its high use in desktop and hobbyist 3D printers. (View Spec Sheet)
HP Multi Jet Fusion (HP MJF) 3D Printed Materials
Learn more about our HP MJF Services.
MJF Nylon 11: This material has optimal mechanical properties, with high chemical resistance, ductility, and enhanced elongation-at-break. Its pliable nature and strength mean that Nylon 11 can withstand impact, making it an excellent fit for defense, sports, and medical prosthetic applications. (View spec sheet)
MJF Nylon 12: This material offers excellent strength and stiffness, good chemical resistance with excellent long-term consistency in material properties. Parts have slightly more balanced properties than SLS Nylon 12 in the X, Y, and Z direction. (View spec sheet)
MJF Nylon 12, Glass Filled: This material offers excellent strength and higher stiffness than unfilled nylon, good chemical resistance with excellent long-term consistency in material properties. Parts have slightly more balanced properties than SLS Nylon 12, Glass Filled in the X, Y, and Z direction. (View spec sheet)
MJF PP: Polypropylene material offers excellent chemical resistance and low moisture absorption. This makes it ideal for long-term exposure to fluids. PP is widely used across industries and applications and is typically molded. Because MJF PP is 3D printed, it allows for rapid product development and cost-effective iterations of this versatile material. (View spec sheet)
MJF TPU 88A: This material is a thermoplastic urethane, with flexibility and high tear strength. The material exhibits stiff rubber-like qualities—much like a skateboard wheel—allowing for a range of end-use applications. (View spec sheet)
Caption: MJF parts will have a matte gray appearance, which can vary from dark to light gray depending on part feature orientation. MJF parts can be dyed black for a consistent matte black finish.
Caption: HP Multi Jet Fusion parts can be chemically vapor smoothed to increase mechanical properties, smooth and seal surfaces, and improve their cosmetics.
Caption: HP Multi Jet Fusion parts can be chemically vapor smoothed to increase mechanical properties. This also enhances the TPU 88A's functionality as a rubber-like material.
PolyJet 3D Printed Materials
Learn more about our PolyJet printing services
PolyJet Photopolymer, Flexible: A rubber-like photopolymer that can simulate the "squish" of an elastomer through different Shore A options (View spec sheet)
PolyJet Photopolymer, Rigid: General purpose prototyping material in black, translucent clear, or gray. (View spec sheet)
PolyJet Photopolymer, Multi-Material: Different shell bodies in the 3D model can be assigned a variety of rigid or rubber-like PolyJet materials to simulate overmold parts or other designs that require color or texture contrast. Learn more on file preparation for multi-material 3D printing here.
Selective Laser Sintering (SLS) 3D Printed Materials
Learn more about our SLS 3D printing services
SLS Nylon 12 (PA 2200): This material offers excellent strength and stiffness, good chemical resistance with excellent long-term consistency in material properties. Meets USP Class VI requirements. (View spec sheet)
SLS Nylon 12, Glass Filled (GF): This glass-filled material offers excellent strength and higher stiffness than unfilled nylon, good chemical resistance with excellent long-term consistency in material properties. (View spec sheet)
SLS Nylon 11 (EX) (Rilsan® Invent Natural): This natural white nylon 11 material has higher impact resistance and ductility compared to nylon 12 unfilled variants. Nylon 11 is also sustainably sourced. Meets USP Class VI requirements. (View spec sheet)
SLS Nylon 12, Carbon Filled (CF) (PA 602-CF): A carbon-filled variant of SLS nylon with dark grey coloration. The carbon filler increases the stiffness of the material while decreasing the weight. Carbon-filled materials can be electro-static dissipative (ESD). CF materials are ideal for elevated temperatures, and high-performance applications, and anywhere where high stiffness is required. (View spec sheet)
SLS Nylon 12, Flame Retardant (PA 606-FR): This natural white material is the only commercially available Fire Retardant Nylon 12 that meets the FAR 25.853 60 second burn specification. Ideal for aerospace and automotive ducting, control panels, and other applications where FR is required. (View spec sheet)
SLS Nylon 12, Aluminum Filled (AF) (PA 605-A): An aluminum-filled material with a pleasant metallic grey finish has good stiffness and thermal conductivity. AF materials are great for showcase models, rapid tooling, and fixtures. The material is not electrically conductive. (View spec sheet)
SLS Nylon 12, Mineral Filled (HST) (PA 620-MF): This mineral-filled nylon 12 variant provides exceptional stiffness and dimensional stability even at high heat. MF materials have an HDT of 363° F (184° C). Mechanical properties are anisotropic due to mineral orientation on the XY plane. (View spec sheet)
SLS Material Comparison Chart
Above: This chart compares key aspects of elongation, flexibility, and heat deflection temperatures across different SLS materials and blends. Note that added fillers typically decrease elongation before breaking, but can increase rigidity. Nylon 11 melts at a higher temperature than nylon 12, giving it a slightly higher HDT for the flexible material.
SLS nylon parts can be enhanced with Chemical Vapor Smoothing to seal the surfaces and provide better mechanical and cosmetic properties.
Stereolithography (SLA) 3D Printed Materials
Learn more about our stereolithography (SLA) printing services
SLA materials are categorized by the engineered properties they are replicating. At Xometry, we compare these by similar thermoplastics like polypropylene, ABS, polycarbonate, etc.
Polypropylene-like (more flexible)
- SLA Accura 25: A polypropylene-like SLA material that can simulate snap-fits due to its ductility and low fatigue. Color - white. (View spec sheet)
- SLA Somos NeXt: An extremely durable, polypropylene-like, SLA material with high versatility. Color - white. (View spec sheet)
ABS-like (general purpose)
- SLA Accura ABS Black (SL 7820): A durable ABS-like SLA material with an exceptional black finish useful for parts designed for injection molding. Parts may have a light paint coat for a consistent black finish. Color - black. (View spec sheet)
- SLA Accura Xtreme Grey: A tough SLA material similar to polypropylene or ABS which is widely used for snap enclosures. Color - grey. (View spec sheet)
- SLA Accura Xtreme White: A tough SLA material similar to polypropylene or ABS which is widely used for snap enclosures. Color - white. (View spec sheet)
- NEW-SLA Somos EvoLVe 128: An extremely durable SLA material with high versatility. Color - off white. (View spec sheet)
- *SLA Somos ProtoGen 18420: A durable, ABS-like, SLA material useful for parts designed for injection molding. Color - white. (View spec sheet) *Available via custom request.
- SLA Somos Taurus: An impact-resistant ABS-like material that exhibits a great balance of thermal and mechanical performance. Color - dark grey. (View spec sheet)
- NEW-SLA Somos Watershed Black: A durable, ABS-like SLA material with an exceptional black finish useful for parts designed for injection molding. Color - black (dark grey). (View spec sheet)
- SLA Somos Watershed XC 11122: A naturally transparent, ABS-like material, with excellent moisture resistance. Exhibits high clarity with secondary finishing. Color - translucent clear. (View spec sheet)
Polycarbonate-like (rigid plastic)
- SLA Accura 48HTR: A stiff, rigid, material that can have higher heat resistance with a thermal post-cure. Color - translucent amber. (View spec sheet)
- SLA Accura 60: A naturally transparent, PC-like material, with excellent feature resolution. Exhibits high clarity with secondary finishing. Color - translucent clear. (View spec sheet)
- SLA Accura ClearVue: A naturally transparent, PC-like material, with excellent moisture resistance. Exhibits high clarity with secondary finishing. Color - translucent clear. A Quick Clear finish option is available with this material for a near-transparent part. (View spec sheet)
- *SLA Somos ProtoTherm 12120: A stiff, rigid material which can have higher heat resistance with a thermal post-cure. Color - translucent red. (View spec sheet) *Available via custom request.
- SLA Somos WaterClear Ultra 10122: A naturally transparent, PC-like material, with excellent moisture resistance. Exhibits high clarity with secondary finishing. Color - translucent clear. (View spec sheet)
Ceramic-filled composite (highly stiff)
- SLA Accura Bluestone: A ceramic composite, offering the highest stiffness of any SLA material. Ceramic-composite materials behave like porcelain. Color - faded blue. (View spec sheet)
- NEW-SLA Somos PerFORM: A ceramic composite, offering the highest stiffness of any SLA material. Ceramic-composite materials behave like porcelain. Color - light beige. (View spec sheet)
SLA Material Comparison Chart
Above: A chart comparing heat deflection, bend strength, and stiffness between SLA materials. Note the correlation between high thermal resistance and material stiffness.
Cast Urethane Materials
A variety of urethane and silicone options are available for an instant online quote. If you do not see the material stock you are looking for, please choose "Custom" under the material drop-down on your quote page and submit for an expert engineering review once you have specified features, tolerances, inspection needs, and quantities required.
Learn more about our urethane casting services
Urethane Cast Materials by Properties
Rigid Polyurethane (Black, Natural, Color-Match)
- ABS-Like, FR: A tough Shore 80D Flame Retardant material is UL Listed with a flammability rating at 1/16 inch (1.6 mm). Colored Black. (View spec sheet)
- General Purpose: An impact-resistant Shore 78D material used for a variety of purposes from enclosure housings to concept models. This material exhibits ABS-like properties. (View spec sheet 1, spec sheet 2)
- Glass-Filled Nylon-Like: A stiff, USP Class VI, high-performance urethane with high impact strength and an HDT of 190F (88C). Shore 85D. (View spec sheet)
- Polypropylene-Like: A tough, abrasion-resistant, flexible urethane with polypropylene-like ductility. This material is Shore D65-D75. (View spec sheet 1, spec sheet 2)
- Polycarbonate-Like: A stiff, high-impact, high HDT material with a wide variety of uses. Simulates polycarbonate (non-clear), Shore 84D. (View spec sheet)
Rigid Clear Polyurethane (Colorless)
- Rigid Clear: A versatile, Shore D 80, clear polyurethane. A matte finish will give a frosted appearance, and a higher gloss will increase its transparency. (View spec sheet)
Rubber-Like Polyurethane (Black, Natural, Color-Match)
- Rubber-Like Shore A 25-35: A Shore 25A-35A rubber-like elastomer with a 1,300% elongation to break. Natural material is amber in color and can be pigmented. (View spec sheet)
- Rubber-Like Shore A 35-45: A Shore 35A-45A rubber-like elastomer with an 800% elongation to break. Natural material is amber in color and can be pigmented. (View spec sheet)
- Rubber-LIke Shore A 45-55: A Shore 45A-55A rubber-like elastomer with a 650% elongation to break. Natural material is amber in color and can be pigmented. (View spec sheet)
- Rubber-Like Shore A 55-65: A Shore 55A-65A rubber-like elastomer with a 625% elongation to break. Natural material is amber in color and can be pigmented. (View spec sheet)
- Rubber-Like Shore A 65-75: A Shore 65A-75A rubber-like elastomer with a 1,147% elongation to break. Natural material is amber in color and can be pigmented. (View spec sheet)
- Rubber-Like Shore A 75-85: A Shore 75A-85A rubber-like elastomer with a 650% elongation to break. Natural material is amber in color and can be pigmented. (View spec sheet)
- Rubber-Like Shore A 85-95: A Shore 85A-95A rubber-like elastomer with a 670% elongation to break. Natural material is amber in color and can be pigmented. (View spec sheet)
Clear Rubber-Like Polyurethane (Colorless)
- Clear Rubber-Like Shore A 40-50: A Shore 40A-50A clear rubber-like polyurethane elastomer with 300% elongation to break. A matte finish will give a frosted appearance, and a higher gloss will increase its transparency. (View spec sheet)
- Clear Rubber-Like Shore A 60-70: A Shore 60A-70A clear rubber-like polyurethane elastomer with 200% elongation to break. A matte finish will give a frosted appearance, and a higher gloss will increase its transparency. (View spec sheet)
- Clear Rubber-Like Shore A 65-75: A Shore 65A-75A clear rubber-like polyurethane elastomer with 300% elongation to break. A matte finish will give a frosted appearance, and a higher gloss will increase its transparency. (View spec sheet)
- Clear Rubber-Like Shore A 85-95: A Shore 85A-95A clear rubber-like polyurethane elastomer with 180% elongation to break. A matte finish will give a frosted appearance, and a higher gloss will increase its transparency. (View spec sheet)
Cast Silicone Materials
Silicone is not only used for making tools in casting, but it is also an excellent material for parts. Silicone is durable, stretchy, tear-resistant, inert, easy to clean, and has a high-temperature resistance. Silicone rubber can achieve ultra-soft durometers as low as Shore A 10 and up to medium-hard rubbers in the Shore A 60 range. Silicone casting is ideal for medical devices, surgical models, props, soft-touch housings, kitchen accessories, and more.
- Shore A 10 (TC-5005 or equiv.)
- Shore A 20-30 (TC-5130 or equiv.)
- Shore A 30-40 (TC-5140 or equiv.)
- Shore A 40-50 (TC-5150 or equiv.)
- Shore A 50-60 (Smooth‑Sil™ 960 or equiv.)
Note: Equivalent materials may be used in substitution of those on the spec sheets. If there is a particular brand, material, or qualifier required please notify the Xometry team.
Injection Molded Plastics and Elastomers
A variety of injection molding, liquid silicone molding, and compression molding options are available for an online quote. If you do not see the material stock you are looking for, please choose "Custom" under the material drop-down on your quote page and submit for an expert engineering review once you have specified features, tolerances, inspection needs, and quantities required. Below are the most common materials, and our injection molding services page offers a more comprehensive overview of our custom molding options, including insert molding and over-molding.
Rigid plastic materials:
- ABS (acrylonitrile butadiene styrene): High-strength general-purpose engineering plastic, used for many commercial products.
- ASA (acrylonitrile styrene acrylate): A material very similar to ABS with higher resistance to fading and better suited for outdoor use.
- CA (cellulose acetate): Typically used in eyeglasses and film, CA is a flexible clear material that can be used in food contact.
- HDPE (high-density polyethylene): Excellent strength-to-weight ratio and chemical resistance. It is often used for fuel tanks, connector insulators, and food containers. HDPE is also used in outdoor equipment like playgrounds.
- LCP (liquid crystal polymer): LCP has mechanics even at elevated temperatures as well as low dielectric constants. This material provides exceptional features for micromolding and thin walled components. LCP is popular for electrical connectors and interconnects as well as medical devices.
- LDPE (low-density polyethylene): A flexible and tough material with lower density versus HDPE. LDPE does not react to acids, bases, or alcohols. Useful for trays, snap lids, and general-purpose containers.
- PA 6 (polyamide 6, nylon 6): Offers increased mechanical strength, rigidity, good stability under heat, and/or chemical resistance.
- PA 6/6 (polyamide 6/6, nylon 6/6): Offers increased mechanical strength, rigidity, good stability under heat, and/or chemical resistance.
- PARA (polyarylamide): Often combined with infills such as glass or mineral fibers, PARA creates very rigid parts with low creep and a slower rate of water absorption compared to nylon (PA). PARA is great for structural components in handheld electronics as well as medical devices.
- PBT (polybutylene terephthalate, Valox): A common electronic insulator with a polyester base. Highly used in automotive as a longer-wear alternative to nylon.
- PBT-PET (polybutylene terephthalate-polyethylene terephthalate): A compounded blend of PBT and PET.
- PC (polycarbonate): A clear or colored, lightweight, glass-like plastic that is heavily used across multiple industries. PC is impact resistant, holds great feature detail, and can be used for safety equipment, lenses, electronic devices, and much more.
- PC-ABS (polycarbonate-acrylonitrile butadiene styrene): The best of both PC and ABS. Higher-strength engineering thermoplastic with slightly more flexibility than standard polycarbonate.
- PC-PBT (polycarbonate-polybutylene terephthalate, Xenoy): A tough and rigid material resistant to lubricants, solvents, and cleaning agents. Very common in electronic enclosures.
- PC-PET (polycarbonate-polyethylene terephthalate): A blend of PC and PET provides tough and chemically resistant results and can be used as an alternate to PC-ABS. It endures harsh solvents and cleaners, making it excellent for sports equipment and healthcare applications.
- PCT (polycyclohexylenedimethylene terephthalate): A thermoplastic polyester that typically outperforms PET due to lower moisture absorption and better environmental stability. PCT is often used for connectors and switches.
- PE (polyethylene): One of the most common plastics used in the world, PE has high ductility, abrasion resistance, and chemical resistance. PE is often described by its molecular weight, such as UHMW PE (ultra-high molecular weight), LDPE (low density), or HDPE (high density). PE is used in packaging, tubing, films, bottles, and more.
- PEEK (polyether ether ketone): Offering excellent tensile strength that surpasses most plastics, PEEK is often used as a lightweight substitute for metal parts in high-temperature, high-stress applications. PEEK resists chemicals, wear, and moisture.
- PEI (polyetherimide, Ultem): Known best for its extremely high heat and flame resistance, PEI is used for many medical applications and is more affordable than PEEK.
- PE-PP (polyethylene-polypropylene): A resin blend of the polyolefin’s polypropylene and polyethylene.
- PE-PS (polyethylene-polystyrene): A resin blend of the polyethylene and polystyrene.
- PES (polyethersulfone): A rigid, transparent plastic that is chemically inert, biocompatible, and sterilizable. PES is suitable for food-contact devices such as coffee machine components as well as aerospace and automotive where chemical exposure is high.
- PET (polyethylene terephthalate, Rynite): Also abbreviated PETE, this is a clear, strong, and lightweight PE resin heavily used in food packaging, soda bottles, jars, and more. The material is food-safe. PET is recyclable with a resin code of 1.
- PLA (polylactic acid): A biodegradable and renewable plastic. PLA has a relatively low glass transition temperature and is common in short-use applications.
- PMMA (polymethyl methacrylate, acrylic): A clear glass-like plastic. Good wear and tear properties. Great for outdoor use.
- POM (acetal polyoxymethylene, Delrin): Good moisture resistance, high wear-resistance, and low friction.
- PP (polypropylene): Polypropylene has excellent electrical properties and little or no moisture absorption. It carries light loads for a long period in varying temperatures. It can be molded into parts requiring chemical or corrosion resistance.
- PPA (polyphthalamide): A subset of nylons (polyamide) that typically exhibit a higher melting point and lower moisture absorption. PPA is typically used in automotive and industrial applications due to its ability to withstand harsh chemicals. PPA is good for fuel and fluid manifolds and headlight housings.
- PPS (polyphenylene sulfide, Ryton): A high-performance thermoplastic with extreme resistance to solvents.
- PS (polystyrene): A clear, hard, and brittle material widely used for food packaging, clamshell containers, and even disposable cutlery.
- PS-PPE (polystyrene-polyphenyl ethers, Noryl): Exhibiting high heat and flame resistance, PPE-PS has high stiffness and tensile strength even at elevated temperatures.
- PSU (polysulfone, Udel): A rigid, stiff, and transparent plastic which is a higher-performance alternative to polycarbonate.
- PVC (polyvinyl chloride (Shore D)): A rigid, general-use plastic that is common in plumbing, non-food packaging, and trimming.
- PVDF (polyvinylidene fluoride, Kynar): A chemically inert, high-temperature material. Due to its low friction, PVDF is used in plumbing parts, bearings, chemical handling, electrical wire insulation, and tubing.
- SAN (styrene acrylonitrile): A polystyrene that is heat resistant and transparent. Due to its relationship with polystyrene, SAN is low cost and has enhanced clarity and shine. SAN is common in household goods, door handles, and kitchenware.
- TPO (thermoplastic polyolefin): A flexible plastic with good chemical resistance but lower temperature resistance compared to PP.
- TPU (thermoplastic polyurethane (Shore D)): A tough, highly abrasion-resistant resin that bridges the gap between rubbers and plastics. TPUs can be formulated to be rigid or elastomeric. TPU exhibits a high flex before break and is ideal for wheels and door panels.
Manufacturing elastomeric parts can be accomplished through injection molding, transfer molding, or compression molding. When getting a quote through Xometry, our team can help you decide the best method depending on the part geometry, estimated annual volume, and the type of material required.
Elastomer/Rubber molded materials:
- EPDM (ethylene propylene diene monomer rubber (Viton)): One of the highest performing rubber elastomers with high heat resistance, chemical resistance, and moisture sealing properties. EPDM is commonly found in automotive seals, gaskets, O-rings, and electrical insulators.
- PEBA (polyether block amide): A soft, flexible, plastic or elastomer used for medical devices such as catheters. PEBA foams are used for padding, shoe insoles, and sports equipment. PEBA is resistant to moisture and UV exposure.
- PVC (polyvinyl chloride (Shore A)): A rubber-like, general use elastomer, that is common in outdoor products, protective films, and mats. Shore A rubber-like PVC requires plasticizers to improve its flexibility from its typical rigid state. PVC is flame retardant due to self-extinguishing properties.
- TPE (thermoplastic elastomer): A broad class of elastomers that behave like a thermoset with high flex and elasticity but process like a thermoplastic through molding. TPE is an umbrella term for many unique elastomer classes.
- TPU (thermoplastic polyurethane (Shore A)): A tough, highly abrasion-resistant elastomer that bridges the gap between rubbers and plastics. TPUs can be formulated to be rigid or elastomeric. TPU exhibits a high flex before break and is ideal for flexible tires, skateboard wheels, and weatherproof gaskets.
- TPV (thermoplastics elastomer, vulcanized rubber (Santoprene)): An excellent elastomer with high versatility due to temperature resistance, compression, and elasticity.
- LSR (liquid silicone rubber): Offering food and biocompatibility, extreme heat resistance, and excellent flexibility, silicones are a versatile rubber material. LSR is used for medical devices and automotive, aerospace, and consumer products. Liquid silicone rubber molding is a specialized process different from traditional injection molding (more on this below).
Need to speak with a team member? Chat with us online, email us, or give us a call at +1-800-983-1959.
Disclaimer: Material properties specified herein (including external links) represent typical material property values and should not be used for structural or engineering decisions and calculations.
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