ExxonMobil Chemical Butyl Rubber Plant

Butyl rubber  

Exxon™ butyl rubber is the foundation of today’s butyl rubber technology. 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. From innertubes to curing bladders, butyl properties are valued across a range of rubber products.

Benefits

  • 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
  • Broad range of durometer and tensile strength properties
  • Low filler content for specific gravity, cost-effective compounding
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Products

  • ExxonMobil Chemical Page

    Exxon™ butyl rubber

    Discover technical details and specifications for butyl rubber product grades.

    View data sheets

Industries and applications

Featured resources

View highlighted news, events, technical papers and case studies below. To see our full collection of resources, browse our Library.
  • ExxonMobil Chemical Library icon

    Rubber & Plastics News

    Read Kurt Aerts interview in Rubber & Plastics News and learn how the company has been at the forefront of rubber and elastomer innovation from the very beginning.

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  • ExxonMobil Chemical play button icon

    Video: Proper air retention can make all the difference

    It’s the everyday moments that can easily go from simple to complex, good to bad, or economical to expensive – simply due to tire inflation. ExxonMobil halobutyl tire innerliners help to keep the air in your tires.

    Watch the video
  • ExxonMobil Chemical play button icon

    Video: Air retention

    We keep the air in your tires and the good times rolling.

    Watch the video
  • ExxonMobil Chemical Library icon

    Airing a problem with tire safety and performance

    Jeffrey Valentage, Global Tire Market Development Manager at ExxonMobil Chemical, explores an often neglected element that ensures the long-term safety and performance of tires. This article is available in English only.

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  • ExxonMobil Chemical Library icon

    Keeping air in your tires

    Learn the key benefits of keeping your tires inflated.

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  • ExxonMobil Chemical Library icon

    Sustained commitment: Supply, innovation, technology and quality

    An interview with Kurt Aerts, Vice President, Global Specialty Elastomers and Butyl, ExxonMobil.

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