fireproof door core

Product Description

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/T********9 National Standard and the provisions in GB*********1, CECS*5:*7 identified as fireproof performance A1 rate according to GB********6/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: ******0kg/m3 Anti-bend intensity≥8Mpa Compressive strength: 0.***0.8Mpa Thermal conductivity:≤0.****0.**5W/(m.k) Moisture content(%):≤*0 Wet expansion rate(%):≤0.*5 Fireproof limit: 0.**2h Fireproof temperature:***0℃ Sound-absorption coefficient: 0.***0.8 Product specification **0mm****0*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.