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General — Cr
- Elastomer
- Cr
- Grade Or Variant
- General
- Acid Resistance
- Fair
- ASTM Designation
- BC, Be (ASTM D2000)
- Chemical Resistance Notes
- Good Balance of oil, weather, and Flame resistance; Better Ozone Resistance Than NBR; Fair Fuel resistance; Good Abrasion and Flex Fatigue Resistance
- Common Name
- Neoprene (General)
- Compression Set Pct (%)
- 20-40
- Compression Set Temp C
- 100
- Compression Set Time Hr
- 22
- Cure System
- Sulfur Or Metal Oxide
- Density G CM3 (g/cm3)
- 1.23-1.50
- Elongation at Break Pct (%)
- 100-800
- Fuel Resistance
- Fair
- Gas Permeability
- Medium
- Glass Transition Temp C (C)
- -45
- Hardness Range Shore a
- 20-95
- Max Continuous Temp C (C)
- 110
- Max Peak Temp C (C)
- 130
- Max Service Temp C (C)
- 120
- Min Service Temp C (C)
- -40
- Oil Resistance
- Good
- Ozone Resistance
- Excellent
- Standard
- MIL-R-6855 Class 2, AMS 7281
- Steam Resistance
- Fair
- Tensile Strength Mpa (MPa)
- 3.5-21
- TR10 Temp C
- -35
Source: MIL-R-6855 Class 2, AMS 7281