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Viton-B — Fkm
- Elastomer
- Fkm
- Grade Or Variant
- Viton B
- Acid Resistance
- Excellent
- ASTM Designation
- Hk (ASTM D2000) / Fkm Type 2 (D1418)
- Chemical Resistance Notes
- Higher Fluorine Content Than A; Better Resistance to concentrated/dilute Acids and Polar solvents; Three-Monomer VF2/HFP/TFE Terpolymer
- Common Name
- Viton B
- Cure System
- Bisphenol
- Elongation at Break Pct (%)
- 150-250
- Fluorine Content Pct (%)
- 68
- Fuel Resistance
- Good
- Gas Permeability
- Low
- Glass Transition Temp C (C)
- -14
- Hardness Range Shore a
- 50-95
- Max Continuous Temp C (C)
- 204
- Max Peak Temp C (C)
- 316
- Max Service Temp C (C)
- 200
- Min Service Temp C (C)
- -20
- Oil Resistance
- Excellent
- Ozone Resistance
- Excellent
- Standard
- MIL-R-83248B, AMS 7276
- Steam Resistance
- Poor
- Tensile Strength Mpa (MPa)
- 10-14
- TR10 Temp C
- -14
Source: MIL-R-83248B, AMS 7276