Products / Flexitallic / Thermiculite®

High Temperature Gasket Material

Thermiculite® is specified by name where critical sealing matters. Applications include Petro chemicals, Fertilisers, OEM and Oil & Gas applications, where process conditions are extreme.

Thermiculite® is a patented product with amazing versatility. Not only can it withstand high temperatures and corrosive environments, due to a unique formulation, we are able to offer Thermiculite® as a stand alone sheet material, as a filler for SWG's, as a facing for Kammprofiles and also in many other product lines.


  • 700-800 series – sheet grade
  • 896 – aerospace
  • Kammprofiles
  • Spiral Wound Gaskets
  • Static and Dynamic Packings
  • I-Flex Isolation Kits
  • Flange Rescue Gaskets (FRG)


  • Engineers and Manufactured in the UK
  • Fire-safe
  • Wide temperature range – cryogenic to 1000°C
  • TA Luft approved
  • Wide availability of styles of gaskets
  • Free from oxidation
  • Excellent chemical compatibility
  • Electrical and thermal insulation
  • Replaces graphite, PTFE, non asbestos materials

One Stop Sealing has vast experience providing sealing solutions to the chemical manufacturing industry.

We'll work with you to see your project through.

Call us on 01482 610990 or request a callback.