Elastomer Service Properties: FKM
Service temperature limits, chemical resistance ratings, mechanical properties, and cure data for engineering elastomers and rubber compounds
| elastomer | grade or variant | acid resistance | astm designation | chemical resistance notes | common name | compression set pct (%) | compression set temp C | compression set time hr | cure system | density g cm3 (g/cm3) | elongation at break pct (%) | fluorine content pct (%) | fuel resistance | gas permeability | glass transition temp C (C) | hardness range shore a | industry specifications | max continuous temp C (C) | max peak temp C (C) | max service temp C (C) | min service temp C (C) | notes | oil resistance | ozone resistance | steam resistance | tensile strength mpa (MPa) | tr10 temp C | volume swell oil irm903 pct |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FKM | Viton_A | Good | HK (ASTM D2000) / FKM Type 1 (D1418) | Good resistance to mineral oils, fuels, aliphatic/aromatic hydrocarbons; not recommended for ketones, esters, amines, hot water/steam | Viton A | 15 | 200 | 22 | bisphenol | 1.82 | 185-220 | 66 | Good | Low | -17 | 50-95 | MIL-R-83248B, AMS 7276D, AMS 7259A | 204 | 316 | 200 | -20 | Two-monomer VF2/HFP copolymer; standard general-purpose FKM grade | Excellent | Excellent | Poor | 13-16 | -17 | 10 |
| FKM | Viton_A-401C | Good | HK (ASTM D2000) / FKM Type 1 (D1418) | Same chemical resistance as Viton A; precompounded 75-duro O-ring compound | Viton A-401C | 19 | 200 | 24 | bisphenol | 1.82-1.85 | 191-220 | 66 | Good | Low | -17 | 75 | MIL-R-83248B, AMS 7276D, AMS 7259A | 205 | 316 | 205 | -26 | Most common precompounded Viton A grade; 75 Shore A; Mooney viscosity 42 (ML 1+10 at 121C) | Excellent | Excellent | Poor | 13.7-16 | -17 | 1.5 |
This is a sample. Search the full elastomer service properties dataset and 300+ more by creating a free account and accessing the database.
Get started for FREE