Introduction
RYZDS Series fireproof intumescent seal is a kind of adhesive-backed hydrated sodium silicate seal with hard PVC casing outside with a protection against cold smoke and fire. Include
- RYZDS Series intumescent and smoke seals with brush
- RYZDP Series intumescent and smoke seals with single and double and triple fins
- RYZDB Series intumescent and smoke seals with bublle design in the middile
The activation temperature is around 100-120℃, and it will expand 3-5 times than original from thickness direction to prevent the smoke and fire spreading to safe room. When meet fire, it will fill the gap more rapidly than the other material intumescent seals, are widely used in the wooden and metal fire doors and anywhere need the low temperature and rapid activation fireproof sealing.
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