|Density||1.2 (g/cm3 )|
|Tensile strength||4.0 (MPa)|
|Work temperature||-75 - +90 (deg C)|
Butyl Rubber has exceptionally low gas and moisture permeability and outstanding resistance to heat aging, weather, ozone, chemical attack, flexing, abrasion and tearing. It is resistant to phosphate ester based hydraulic fluids, and has excellent electrical insulation performance. Butyl is not recommended for use when in contact with petroleum oils and fluids.
Butyl performs well for such applications as: