Unsaturated copolymer of Isobutylene and Isoprene butyl.
Good damping and shock absorption characteristics. Extremely low gas permeability. Good resistance to ozone, UV light, moisture and mineral acids, polar liquids such as oxygenated solvents, ester type plasticizers, vegetable oils and synthetic hydraulic fluids, MEK, Phosphate ester type hydraulic fluids (e.g. Skydrol®, Fyrquel®, Pydraul®), Silicone fluids and greases. Attacked by non-polar solvents, such as hydrocarbon oils, greases and fuels, di-ester based lubricants, hydrocarbon solvents and oils.
- Hardness Range 30 – 95 Shore A
- Tensile 1000 psi 2.0
- Elongation max 800 %
- Compression Set moderate
- Max Service Temp 300 ºF
- Weathering excellent
- Service in Water excellent
- Relative Cost: Low
- Production Process: Molded, Extruded, Die-cut
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