China Gns B1 Fire Rate Polyurethane Foam Fire Retardant Building Material, Find details about China Building Material, Polyurethane Foam from Gns B1 Fire Rate Polyurethane Foam Fire Retardant Building Material
GNS B1 grade Fire Retardant PU foam
Suitable for all Seasons
No Cracking & Shrinkage
Better adhesion and harder
Suitable for wooden door, construction
B1 Fire Retardant