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BUTYL by EXXONMOBIL

Exxon™ butyl rubber    
Butyl rubber is a copolymer of isobutylene and a small amount of isoprene providing for a highly saturated backbone. The primary properties of butyl rubber are excellent air-barrier performance, good flex fatigue and vibration damping.        
Properties            

  • Low permeability to air, gases and moisture
  • Vibration damping
  • Low glass transition temperature
  • Low modulus elastomer
  • Low compression set
  • Resistance to aging and to weathering from atmospheric exposure
  • Wide vulcanization versatility
  • Fast cure rates
  • Processing safety: no nitrosamines or nitrosamines precursors Benefits of high extensibility
  • Broad range of durometer and tensile strength properties
  • Low filler content for specific gravity, cost-effective compounding