fire door core
perlite fire door core
fire-resistant door core
1. Production Introduction
This product, core board of fireproof door, 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.

2. 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

3. Main performance
Density: 250-300kg/cm3
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: 1300c
Sound-absorption coefficient: 0.03-0.8

4. Product specification
900mm*2100mm*thickness
500mm*600mm*thickness
It could be adjusted at customers’ request.

5. Product application
This product is widely used for fireproof filling materials for 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.