JUHUAN B1 Grade Fire Rated Pu Foam Spray Polyurethane Foam For Mounting Doors And Windows

JUHUAN B1 Fire retardant Polyurethane foam is our new product which meets the request of Fire Department of Ministry of public security and Ministry of Housing.We cooperate with Beijing University of Chemical Technology and spend three years on inventing it. lt passes the test of National Building Materials Testing Center. lts oxygen index reaches more than thirty and fre-retardant reaches B1.lt is the pioneer in China even the whole world. Using this product can cut off way of fire caused by inflammsable filler and protect your life and property from the threat of fire. https://juhuanpu.en.alibaba.com/