Materials Guide
Choose the right elastomer for your application.
Material Comparison
| materials.colMaterial | materials.colTemp | materials.colHardness | Oil Resistance | Weather / Ozone | Water Resistance | Chemical Resistance |
|---|---|---|---|---|---|---|
NBR Nitrile Rubber | -30°C ~ +100°C | 40-90 Shore A | ★★★★★ | ★★★☆☆ | ★★★☆☆ | ★★★☆☆ |
FKM Fluorocarbon (Viton®) | -20°C ~ +200°C | 60-90 Shore A | ★★★★★ | ★★★★★ | ★★★★☆ | ★★★★★ |
EPDM Ethylene Propylene Rubber | -40°C ~ +120°C | 40-90 Shore A | ★☆☆☆☆ | ★★★★★ | ★★★★★ | ★★★★☆ |
VMQ Silicone Rubber | -60°C ~ +230°C | 30-80 Shore A | ★★☆☆☆ | ★★★★★ | ★★★★★ | ★★★☆☆ |
HNBR Hydrogenated Nitrile | -30°C ~ +150°C | 60-90 Shore A | ★★★★★ | ★★★★☆ | ★★★★☆ | ★★★★☆ |
PU Polyurethane | -30°C ~ +100°C | 80-95 Shore A | ★★★★★ | ★★★☆☆ | ★★☆☆☆ | ★★★☆☆ |
★ ratings are indicative only. Contact us for application-specific material recommendations.
Material Details
NBR
Nitrile Rubber
- materials.tempRange
- -30 ~ +100°C
- Hardness
- 40-90 Shore A
Excellent resistance to petroleum-based oils and fuels. The most widely used sealing elastomer.
materials.typicalApps
Hydraulic & pneumatic seals, fuel systems, general industrial
FKM
Fluorocarbon (Viton®)
- materials.tempRange
- -20 ~ +200°C
- Hardness
- 60-90 Shore A
Outstanding heat and chemical resistance. Premium choice for demanding environments.
materials.typicalApps
Automotive, chemical processing, aerospace, high-temp sealing
EPDM
Ethylene Propylene Rubber
- materials.tempRange
- -40 ~ +120°C
- Hardness
- 40-90 Shore A
Superb weather, ozone and water resistance. Not suitable for petroleum oils.
materials.typicalApps
Water systems, outdoor applications, steam, brake systems
VMQ
Silicone Rubber
- materials.tempRange
- -60 ~ +230°C
- Hardness
- 30-80 Shore A
Excellent temperature range and biocompatibility. FDA/LFGB grades available.
materials.typicalApps
Food & medical grade, high/low temp, electrical insulation
HNBR
Hydrogenated Nitrile
- materials.tempRange
- -30 ~ +150°C
- Hardness
- 60-90 Shore A
Higher heat and ozone resistance than standard NBR, with excellent mechanical strength.
materials.typicalApps
Automotive powertrain, refrigerant systems, oil & gas
PU
Polyurethane
- materials.tempRange
- -30 ~ +100°C
- Hardness
- 80-95 Shore A
Outstanding abrasion resistance and load-bearing capacity for hydraulic duty.
materials.typicalApps
High-pressure hydraulic seals, wear rings, shock absorbers
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