NOTE: These values are representative values and do not relate to a specific grade of material
IIR - Butyl Rubber
Glass Transition Temperature (°C) -66
Room Temperature Density (kg/m^3) 992
Maximum Working Temperature (°C) 150
Tensile Strength (MPa) M
Resistance To Tear M/H
Resistance To Abrasion M
Compression set @ -20°C (%) 12
Compression set @ +23°C (%) 18
Compression set @ +120°C (%) 60
Swelling / 70Hr / ASTM Oil No.3 @ 70°C (%) >140
Swelling / 70Hr / Fuel C @ Room Temperature (%) ---
Gas Permeability VL
Ozone Resistance M
Oxidation Resistance VH
Rebound (Hot) H
Rebound (Cold) VL
Heat Resistance 5 Hours (°C) 200
Heat Resistance 70 Hours (°C) 160
Heat Resistance 1000 Hours (°C) 130
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