Fire door board
a.made od expanded perlite
b.Fire rating: 30-120mins
c.Density: 300-450kg/m3
d.temperature resist:1300'C

Fire door board

1.       Production Introduction 
Perlite fire door core consists of expanded perlite and inorganic glue. 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. Smoke behaviour is classified as non-toxic AQ1(safe rate) in acordance with GB/T 20285-2006.It is non hazardous, light, easy to install, fireproof ,heat insulation and preservation. Mainly used as core of  wooden fire door and steel fire door. We also can produce fireproof board  with pattern according to the model our customers provide.

2.      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

3.      Product specification
900mm*2100mm*thickness
It could be adjusted at customers' request