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ExxonMobil Chemical engineer with tire

Tires  

Butyl rubbers from ExxonMobil Chemical combine the barrier properties, high damping and resistance to ozone that make them ideal for tire applications. You’ll find our butyl rubbers in many tire components, including the innerliner, non-staining black sidewall, white sidewall and white sidewall coverstrip.

Applications and benefits

Manufacturing innertubes with Exxon™ butyl rubber or Exxon™ chlorobutyl rubber instead of natural rubber provides numerous benefits to the users of bicycle tires, radial truck tube-type tires and some severe service, off-road tire applications.

Benefits include:

  • Consistent inflation pressure
  • Reduction in in-use tire rolling resistance due to the better inflation pressure retention, leading to the potential for less fuel consumption
  • Longer tire life and more even-wear performance
  • Longer innertube life due to better heat stability
  • Enhanced tire durability

Recommended products:

Exxon halobutyl rubber is the world’s most widely used butyl rubber for tire innerliners. It provides tire innerliners with the outstanding inflation pressure loss rate (IPLR) and very reliable performance that have made it the most widely used butyl rubber for innerliners.

Key benefits include:

The higher the halobutyl content in the innerliner, the greater the durability of the tire. The superior air barrier performance of halobutyl innerliners prevents carcass deterioration in passenger and truck tires.

Recommended products:



For high-performance bicycle tires, Exxpro™ specialty elastomer is used in tread compounds to improve traction.

Recommended products:

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Product solutions

  • ExxonMobil Chemical Butyl Rubber Plant

    Butyl rubber

    Exxon™ butyl rubber is the foundation of today’s butyl rubber technology. It is a copolymer of isobutylene and a small amount of isoprene. The primary properties are excellent air-barrier performance, good flex fatigue and vibration damping.

    Learn more
  • ExxonMobil branded Tire

    Bromobutyl

    Exxon™ bromobutyl rubber is derived from halogenating butyl rubber with bromine in a continuous process. It is structurally similar to Exxon™ chlorobutyl rubber and produced through the same halogenation process.

    Learn more
  • Rack of tires made with Chlorobutyl

    Chlorobutyl rubber

    Exxon™ chlorobutyl rubber is derived from halogenating butyl rubber with chlorine in a continuous process. It is structurally similar to Exxon bromobutyl rubber and produced through the same halogenation process.

    Learn more
  • BIMSM Pharma Stoppers

    BIMSM

    Exxpro™ specialty elastomers, brominated isobutylene paramethyl-styrene terpolymers (BIMSM), provide a super-clean solution and cost-effective alternative to expensive coated stoppers. In the tire industry, Exxpro is used for high-performance bladders and envelopes.

    Learn more

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.

    Read more
  • 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 play button icon

    Video: Make it a habit

    There's a routine that comes with car ownership. Checking your air pressure and refilling tires should be a habit that's as natural as putting on your seatbelt. ExxonMobil halobutyl tire innerliners help to keep the air in your tires.

    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.

    Read more
  • ExxonMobil Chemical Library icon

    Keeping air in your tires

    Learn the key benefits of keeping your tires inflated.

    Read more
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