China perlite board find detail steel fire door from zhangjiagang tianyuan machiney manufacturing co ltd.
Perlite fire door core.
The burning behaviour of this product is classified as a1 non combustible rate in accordance with gb 8624 2006 classification on burning behaviour for building materials.
Perlite fire door core consists of expanded perlite and inorganic glue.
Fireproof insulating door cores perlite is the perfect filling material for door cores because it is naturally lightweight inorganic insulating non combustible and fireproof giving it a high r value.
Chimney liner due to its non flammable and insulating nature perlite is often used in fire retardant applications such as chimney liners.