Fire Proof Rubber Sheet / Fireproof Rubber Sheet Flame retardant grade: UL94 V-0, oxygen index ≥28%, self-extinguishing when exposed to fire with low smoke and low toxicity. Combines basic sealing and fire protection functions. Operating temperature: -20℃~120℃. Applicable for building curtain wall sealing, mine ventilation ducts, power distribution cabinet fireproof gaskets, and other high-risk scenarios.