Production Introduction 

Perlite fire door board consists of expanded perlite and inorganic glue. The burning behaviour of this product is classified as A1, the highest rate, in accordance with GB 8624-2006, classification on burning behaviour for building materials. It is non hazardous, light, easy to install, fireproof ,heat insulation and preservation. Mainly used in wooden fire door and steel fire door.

Main performance
Density: 250-300kg/m3
Anti- bend intensity≥8Mpa
Compressive strength: 0.35-0.8(Mpa)
Thermal conductivity≤0.035-0.076W/(m.k)
Moisture content(%)≤10
Wet expansion rate(%)≤0.25
Fireproof limit: 0.6-2h
Fireproof temperature: 1200c
Sound-absorption coefficient: 0.03-0.8

Product specification 

900mm*2100mm*(25-70)mm
It could be adjusted at customers' request.