Used as a fire door, with the advantages of non-combustible, fire protection, thermal insulation, environmental protection, light.
Characteristics: hydrophobic perlite non-toxic and odorless environmental protection; hydrophobic perlite lightweight, fireproof, moisture-proof, corrosion-resistant; hydrophobic perlite convenient construction, can be cut can be sawed planed. Lightweight, high strength, thermal insulation; hydrophobic Pearl rock comply with the national standard GB8624-2006A1-level non-combustible.





