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Timprene Rubber

Timco Rubber accepted the challenge of pioneering the latest custom compound in the HVAC industry, which led to the development of Timprene 6504. Timprene is an elastomeric compound that is highly resistant to acidic environments and ozone at elevated temperatures. Highly flame resistant, it was formulated specifically to function in the harsh environment of high efficiency, condensing gas furnaces.


  • Durometer Hardness of 65 ±5
  • ASTM D573, GFI Flue Gas Condensate
  • ASTM D-395 Method B Compression Set
  • High Ozone Resistance - No cracks under 4 power magnification
  • UL 94 - 5VA Excluding Glow Requirements


  • High resistance to harsh environments
  • Flame resistance
  • Long service life (up to 20 years)

Applications utilizing these materials

  • HVAC
  • Furnace manufacturing

Interested in Timprene Rubber?

Call us at 1-888-754-5136 or request a quote today. Our team of experts is available to help answer any questions you have along the way.

Not sure which material you need for your custom rubber product?

View our rubber material selection guide.

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