Fire Door Core

Production Introduction
We apply perlite as main material, mixed with certain proportion of inorganic high strength adhesives and chemical additives. Form the material purchased in to the finished items transported out, the whole manufacturing process is under strict and meticulous product examination.
Our product conforms to GB/T5464-1999 National Standard and the provisions in GB18580-2001, CECS95: 97 identified as fireproof performance A1 rate according to GB8624-2006/A1 National Fireproof Performance Standards.
Product characteristics:
1. Natural, enviromental-protection oriented, no poison and no radioactivity
2. Fireproof, damp-proof, anti-corrosion
3. Light, good insulation for head & sound, good heat preservation performance.
4. Available to cut saw, good plasticity.
Main performance:
Density: 250-300kg/m3
Anti-bend intensity: 8Mpa
Compressive strength: 0.35-0.8Mpa
Thermal conductivity: 0.035-0.075W/(m. K)
Moisture content(%): 10
Wet expansion rate(%): 0.25
Fireproof limit: 0.6-2h
Fireproof temperature: 1300
Sound-absorption coefficient: 0.03-0.8
Product specification
910mm*2100*thickness
It could be adjusted at customers\' request
Product use:

The expanded perlite fireproof door board is mainly used to provide fireproof materials for steel and wooden fireproof doors. It is also widely used in pubic places with high fireproof & sound
Insulation demands, such as office building, commercial shopping center, floor compartments schools, laboratories, hospitals, train stations, airports, theaters, ballrooms, entertainment centers, Ballrooms, entertainment centers, factories, activity rooms, etc.