Elastomer Service Properties: FVMQ
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 (%) | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FVMQ | general | Fair | FK (ASTM D2000) | Excellent fuel and mineral oil resistance unlike standard silicone; good low-temperature flexibility; poor tear and abrasion resistance | Fluorosilicone | 25-45 | 150 | 22 | peroxide | 1.40-1.50 | 100-480 | Excellent | High | -68 | 35-80 | MIL-R-25988, AMS 3315, AMS 3316, AMS-R-25988 | 175 | 230 | 175 | -68 | MQ backbone with trifluoropropyl groups; fluorine content ~30-35% by weight; common in aerospace fuel system seals | Good | Excellent | Poor | 7-14 | -55 to -60 |
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