Production Introduction 
Perlite mineral board is consisting of expanded perlite and inorganic glue, has been tested and its test results meet the requirements of non-combustible materials. 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.

Product characteristics
. Natural, environmental-protection oriented, no poison and no radioactivity
. Fireproof, damp-proof, anti-corrosion
. Light, good insulation for head & sound, good heat preservation performance
. Available to cut, saw, good plasticity

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

 Product application

This product is mainly used in wooden and steel fireproof doors. It is also widely used in pubic places with high fireproof & sound insulation demands, such as office buildings, commercial shopping center, floor compartments, schools, laboratories, hospitals, train stations, airports, theaters, ballrooms, entertainment centers, factories, activity rooms, etc.