Common Rubber Types and Typical Properties |
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Click on a compound link for further details |
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| Compound |
Also knows as |
Key Characteristics |
Available Specs |
Avg. Temp Range (F) |
| Aflas® |
Tetrafluoroethylene - Propylene |
Excellent resistance to a wide range of chemicals. |
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-15°- 450° |
| Butyl |
Isobutylene-isoprene, BU, IIR |
General purpose, Vaccum |
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-75°- 250° |
| Ethylene Propylene |
Ethylene propylene diene rubber, EPDM, EP, EPM, EPR |
Excellent resistance to ozone, weathering, steam, water and phosphate ester type hydraulic fluids. |
NAS 1613, NSF 61, FDA |
-70°- 250° |
| Fluorocarbon |
Viton ®, Fluorel ®, Fluoroelastomer, FKM |
Excellent compression set and resistance to high temperature and a broad range of chemicals. |
AMS 7276, AMS 7259, AMS-R-83248 (Mil-R-83248), AMS-R-83485, GLT Type |
-15°- 400° |
| Fluorosilicone |
Fluorinated Polysiloxane, FVMQ |
Similar physical properties to silicone rubber with improved fuel and mineral oil resistance but poor hot air resistance. |
AMS-R-25988, Mil-R-25988 |
-90°- 350° |
| Hydrogenated Nitrile |
Hydrogenated Acrylonitrile-butadiene, HNBR, HSN |
Improved fuel and ozone resistance over Nitrile. Often used in refrigeration systems. |
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-25°- 300° |
| Neoprene |
Chloroprene, CR |
Good ozone, aging and chemical resistance. |
Mil-G-1149, AMS 3208,
AMS 3209, AMS-R-6855,
Mil-R-6855 CL 2 |
-35°- 225° |
| Nitrile (Buna) |
Acrylonitrile-butadiene Rubber, Buna-N, NBR |
Most common general purpose elastomer. Good for petroleum fluids. |
AMS-R-7362, MIL-G-21569, AMS 7272, Mil-PRF-15624, MIL-P-25732, AMS-P-83461,
Mil-R-6855 CL 1 |
-30°- 225° |
| PTFE |
Teflon ®, Polytetrafluoroethylene |
Chemically inert to most substances. Excellent resistance to high temperature. Extremely low coefficiant of friction |
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-65°- 500° |
| Perfluoroelastomer |
Kalrez ®, Simriz ®,
Chemraz ®, FFKM |
Excellent chemical resistance and high temperature stability. |
AMS7257 |
5°- 525° |
| Polyacrylate |
Polyacrylate Rubber,
Acrylic Rubber, ACM |
Good resistance to mineral oil, oxygen and ozone |
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-5°- 325° |
| Polyurethane |
Polyester or Polyether Urethane, PU, AU, EU |
Excellent wear resistance and high tensile strength. Good for Drive Belts. |
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-40°- 180° |
| Silicone |
Polysiloxane, VMQ, PVMQ |
Good heat resistance, cold flexibility and insulating properties. Low tensile strength and poor tear and wear resistance. |
ZZ-R-765, A-A-59588, AMS 3320, AMS 7267, AMS 3301, 3302, 3303, 3304, 3305,
AMS 3337, AMS 3357 |
-60°- 400° |
| Other Stock Rubber Materials |
Cork Sheet, Cork and Rubber (AMS-C-6183), Cloth Inserted Sheet, Diaphragm Sheet (Nylon Insert), FDA Rubber, Hypalon®, Masticated Rubber
Non-Asbestos Sheet, Pure Gum (Natural Rubber), SBR, Vegetable Fiber (Paper, Vellumoid, Plant Fiber) |
| Rubber Sponge and Foam |
| Closed Cell Sponge: Neoprene, EPDM Sponge, Vinyl Sponge, Silicone Sponge |
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| Open Cell Sponge: Neoprene Sponge, Natural Open Cell |
| Foam: Microcellular Urethane, Poron, Silicone Foam, Charcoal Ester |
| Military Spec: Mil-R-6130 Sponge, ASTM D6576 Sponge, AMS 3195 Sponge (Silicone), AMS 3196 Sponge (Silicone) |
DISCLAIMER
The information contained here is for reference only and can vary based on grade, compound and application. It is believed to be reliable, but no representations, guarantees or warranties of any kind are made to its accuracy or suitability for any purpose. It is recommended that users conduct their own evaluations for the intended applications. |
