IIR – butyl rubber

Butyl rubberexcellent resistance to oxygen, ozone, aging, high temperatures, steam, chemical action, low gas permeability, very little flexibility and therefore good damping not resistant to mineral oils and fats

Shore A hardness range30 to 80
Tensile strenght N / mm220
ductility %300
flexibilityvery bad
Pressure deformation differencemedium
Abrasion resistancegood
temperature range-40
usability °C120
On a short-term basis °C140
Aging resistancevery good
Aging resistancevery good
Water resistance up to + 80 °Cvery good
Alkalis resistance up to + 80 °Cvery good
gas permeabilityexcellent
Petrol resistancevery bad
Benzole resistancevery bad
Resistance to mineral oils and fatsvery bad
Acid resistancevery good
Suitability for connection with metalsmedium
Suitability for foodYes