Butyl natural rubber (MR)

IIR O-rings

Characteristics of seals made of this material are very low gas-permeability, high resistance to the effects of oxygen and ozone, good electrical properties and above-average resistance to animal and vegetable oils and fats. Unsuitable for use with mineral oil. Temperature range from -40 °C to +140°C.

The properties and data given in materials summary are solely informative and general in character and not to be considered binding. Values applicable to specific cases may vary greatly depending on raw materials used and operating conditions. Please therefore contact our Applications Technology departmen before selecting any specific material to discuss with them what the optimal solution for your application need/s might be.

All elastomer materials at a glance