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Butyl Rubber Gaskets

Butyl Rubber Gaskets
Butyl rubber gaskets are precision cut from a synthetic blend of isobutylene and a small proportion of isoprene. This material is notably less porous than many other gasket types, making it ideal for sealing applications involving gases and compressed air where impermeability is critical. Its excellent thermal stability and resistance to ageing, UV exposure, and weathering also make it well suited for outdoor use. Please note, butyl rubber is not compatible with petrol or oils.
Our butyl rubber gaskets typically feature a smooth plate finish on both faces. They are available in a variety of standard flange, dovetail, and picture frame styles. For detailed advice on measuring gaskets accurately, please consult our 'How to Measure a Gasket' guide.

Key Features

  • Shore Hardness: 65° ± 5°.
  • Operating Temperature Range: -40°C to +140°C.
  • Exceptional impermeability to gases, compressed air, and moisture.
  • Superior resistance to UV radiation and material ageing.
  • Ideal for applications requiring an airtight seal.
  • Standard smooth plate finish on both sides.

Availability

Thickness (mm): 1, 1.5, 2*, 3, 4*, 5, 6, 8, 10, 12*, 15* and 20*.
Gaskets: Custom CNC cutting available to virtually any shape or profile.

*Non-standard stock items may require extended lead times.

Technical Specification:

Technical Data Sheet

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