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Solid Fuel Furnace Fire Heater High Temp 300ºC Silicone Sealant Repair Sealer

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Solid Fuel Furnace Fire Heater High Temp 300ºC Silicone Sealant Repair Sealer

Brand New

Premium Automotive High Temperature Silicone Sealant unaffected by the extremes of high temperatures, waterproof and is non-slumping.

  • Resistant upto +300C
  • Waterproof
  • Acetoxy Cure
  • Internal / External Use
  • Sag Resistant
  • 310ml

A ready-to-use, acetic curing, silicone sealant. Specifically designed for high-temperature use, it is UV resistant and weatherproof. After curing HT30 will resist temperatures of 250C permanently and up to 300C for short periods. Conforms to ISO11600-G-25HM.


For sealing joints which are exposed to high temperatures, i.e. connections on industrial ovens, heating systems, solid fuel burners machines, etc. It can be applied to metals, glass, ceramic tiles, enamel, epoxy paint and polyester. It can also be used with nylon, ABS, metals and polyester in immersion or humid heat, however, a primer may be required.

A Standard Application Gun will be required and is not included. (see our shop if you require one)

Posted same working day.

Any questions just ask and we’ll do our best to help.

For higher degrees of temperature or hotter areas, see our shop for Fire Cement capable of temperates 1200c!

See our shop if you require Silicone for Sump Engine Gaskets or a higher temperature capable sealant upto 180 or 300C, Sealant application guns and other Automotive Sealants.

Additional information

Weight 1 kg



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