Perlite door core have high strength,low thermal conductivity,high temperature resistance,acid and alkali resistance.

The third generation expanded perlite door core

Product performance

Environment friendly, natural, non pollution (expanded perlite is natural expanded perlite sand that expanded instantaneously under temperature higher than 1300 centigrade, forming globules of  alveolate structure);Fire proof(absolutely non-combustible),water repellent, anti-aging and anti-corrosion;Light weight, heat insulation, heat preserving, sound absorbing;Easily hanged, and can be cut sawed and planed. 

Application of products

Mainly applied to steel fire proof wall, fill-ups in wooden fire proof wall;

Technical parameters of products

Density:	260-380kg/m3
Rupture strength	≥0.6MPa
Compressive strength	≥1.0MPa
Thermal conductivity	≤0.087W/(m.k)
Moisture content	≤10
Wet expansion rate	≤0.25
Fire tolerant limit	0.6-2 hour
Fire tolerant temperature	1300 °C
Sound-absorption coefficient	0.3-0.8
Size	600x900,2100x900(20,30,40,50,60,80,100,120)mm; or designed and manufactured on customer’s requirements.

perlite door core