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Perlite fire door core board

  • Author:Arya ren
  • Release on :2019-03-20

Perlite fire door core board

Perlite fire door core board is made of expanded perlite as the main raw material, mixed with a certain proportion of inorganic high binder and chemical additives, and processed through a whole set of processes. Because the expanded perlite is a natural perlite ore, it is a hollow spherical granule formed by a high temperature of 1300 degree or above.


Therefore, the fire door core board is a natural and environmentally friendly product. . From the raw materials into the factory to the completion of the finished product, the entire manufacturing process has undergone strict and meticulous production and inspection, and then with our company's special fireproof rubber.


the steel-wood fireproof door core board produced by many domestic customers has been tested and reached. The fire resistance limit of the new national standard Class A fire door.