Perlite fire door core consists of expanded perlite and inorganic glue.
Perlite fire door core.
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.
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.
You can also choose from 5 years 1 year and n a perlite fire door core board there are 70 suppliers who sells perlite fire door core.
China perlite board find detail steel fire door from zhangjiagang tianyuan machiney manufacturing co ltd.