HRS - Heat Resistant Sealant 1300°C

Home Heat Resistant Materials High Temperature Sealants HRS - Heat Resistant Sealant 1300°C

VITCAS Heat Resistant Sealant is a ready to use, pre-mixed, high temperature sealing and caulking paste for use in fixing and jointing, as well as in providing fire protection. Vitcas Heat Resistant Sealant will withstand up to 1300°C.

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Special Price £9.59 £7.99 Regular Price £11.99

VITCAS Heat Resistant Sealant is a ready mixed, high temperature sealant. It comes as a caulking paste for use in fixing and jointing in ceramics, metals, silica and glass. The sealant also gives fire protection. Rates to 1300oC.


  • Sealing or fixing ceramics, glass and metal
  • Sealing other silica based materials


Make sure the area is clean and that all dirt, dust, rust and grease is removed. Cut off the top of the cartridge, screw on the nozzle and cut the nozzle to the required size. Apply using a cartridge gun and aim for a thin joint of 2 – 3mm. The material will set at room temperatures but the time will be reduced by applying heat, gradually increasing over a four hour period. When dry, the sealant can be sanded and over painted.

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Product Group Sealants
Size 310ml
Coverage of cartridge

Coverage: A guide to the amount of the material contained in one 310ml cartridge

Bead dia.(mm)

Length approx. (metres)









Color Beige
Consistency Mastic
Indoor Yes
Ready to Use Yes
Temperature 1300°C /2370°F
Manufacturer Vitcas
HS Tariff Code 3816009000
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Customer Questions
Does the heat proof sealant remain bonded after reaching 330 deg C?

Yes - the heat resistant sealant will set and bond at any temperature up to 1300 degrees C which is its maximum temperature in service.

Can I use this on a hot plate for cooking

Yes, Heat Resistant Sealant is food safe, so may be used for this application.

Does this sealant remain flexible to allow for flexing due to temperature changes?

The Heat Resistant Sealant is suitable for any temperature changes not exceeding 1300oC.

Is this suitable to use inside a pizza oven where it will be in direct contact with naked flames?

The Heat Resistant Sealant is suitable for use inside a pizza oven for filing gaps.

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