Designation: Butyl (Isobutylene-Isoprene) IIR Type: Commercial grade Advantage: Excellent gas impermeability and weather resistance. Low resilience makes for an excellent vibration isolator Limitation: Limited abrasion resistance, limited petrochemical resistance and fair compression-set values Uses: Shock mounts, anti-vibration dampers, metal tank liners, electrical insulations. Information provided by Redwood Plastics and Rubber |