This smoke fire seal strip is designed for fire-rated windows and steel doors, effectively sealing gaps to block fire, and gases. Its self-expanding graphite rubber composite material adapts to various grooves, making it suitable for gaskets, door seams, and other areas requiring enhanced fire resistance.Specifications:Color: RedMaterial: Graphite, RubberSize: 5000 x 15 x 2mm / 196.85 x 0.59 x 0.08 inch (L*W*T)Packing List: 1 pcs x smoke fire seal stripAdvantages:Made from a graphite rubber composite material with a strong adhesive backing, this sealant installs securely and leaves no residue after removal. When heated, it automatically expands, sealing gaps, obstructions, and gases, protecting you from fire damage.
eBay