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Temperature extremes are no match for HM270 -- an acetoxy silicone that withstands harsh conditions from -76°F to 350°F without missing a beat.

Designed for use on non-porous materials, its application possibilities include a variety of tough challenges: ceiling skylights, solar panels, duct work, aluminum siding, recreational vehicles and more. With 25% joint movement, it’s also permanently flexible. 

  • Water resistant 
  • Weatherproof
  • Flexible
  • Easy Extrusion in any weather
  • Available in black, white and clear
  • HM270 should not be painted.

Documents & Downloads

HM270 - Technical Data Sheet

HM270 Clear - Safety Data Sheet

HM270 White - Safety Data Sheet