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Viton-a-401C — Fkm
- Elastomer
- Fkm
- Grade Or Variant
- Viton a-401C
- Acid Resistance
- Good
- ASTM Designation
- Hk (ASTM D2000) / Fkm Type 1 (D1418)
- Chemical Resistance Notes
- Same Chemical Resistance As Viton A; Precompounded 75-Duro O-Ring Compound
- Common Name
- Viton a-401C
- Compression Set Pct (%)
- 19
- Compression Set Temp C
- 200
- Compression Set Time Hr
- 24
- Cure System
- Bisphenol
- Density G CM3 (g/cm3)
- 1.82-1.85
- Elongation at Break Pct (%)
- 191-220
- Fluorine Content Pct (%)
- 66
- Fuel Resistance
- Good
- Gas Permeability
- Low
- Glass Transition Temp C (C)
- -17
- Hardness Range Shore a
- 75
- Max Continuous Temp C (C)
- 205
- Max Peak Temp C (C)
- 316
- Max Service Temp C (C)
- 205
- Min Service Temp C (C)
- -26
- Oil Resistance
- Excellent
- Ozone Resistance
- Excellent
- Standard
- MIL-R-83248B, AMS 7276D, AMS 7259A
- Steam Resistance
- Poor
- Tensile Strength Mpa (MPa)
- 13.7-16
- TR10 Temp C
- -17
- Volume Swell Oil IRM903 Pct
- 1.5
Source: MIL-R-83248B, AMS 7276D, AMS 7259A