Interdens® Intumescent Sheets

Intumescent Sheet by Norseal

  • • Available ex-stock
  • • BS476 Part 22 1987
  • • Easy to cut
  • • Fast installation
  • • Interdens® is the registered trade mark of BASF Wolman GmbH, Sinzheim, Germany
  • • Low pressure forming
  • • Protects against fire
  • • Up to 60 minutes fire rated

Norseal can offer a wide range of intumescent materials, available to purchase in sheet form. Interdens® Type 15 intumescent sheet is an alternative to the graphite-based sheet on offer and is a truly versatile product suitable for a number of applications.

Norseal sell these sheets in a variety of sizes at a thickness of 1mm (if you have a particular size requirement, please get in touch with our technical department). It can be purchased with or without self-adhesive. Interdens® main material - Mono Ammonium Phosphate - is seen as low pressure activating, meaning that you get less pressure forming during its expansion in a fire situation. 

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