Product Details
Product Description
Product Description
SIP board export packing video
The "MaiGOOD" brand residential prefabricated firewall board and steel structure house fire protection preferred glass magnesium firewall board. The main materials of glass magnesium firewall board are inorganic materials, with strong anti-aging ability, good durability, and effective resistance to alkali and water vapor erosion. The service life of the structural design is 50 years. After 100 freeze-thaw cycles, there was almost no change in volume and strength. Under standard load, the fire resistance limit is 2 hours, and there is no explosion, no release of any toxic gas, no odor, and no smoke during the combustion process. It has excellent fire resistance performance and meets the environmental protection requirements of modern buildings. The glass magnesium firewall board does not require special maintenance during normal use, and has low operating costs. When there is partial damage, it can be directly repaired. If it is necessary to replace the board, it can also be replaced individually without affecting the overall structure.
Apparent density: 0.85 ≤ ρ ≤ 1.20
Bending strength: 14MPa (5mm), 12MPa (8mm), 10MPa (12mm)
Impact strength: 5.2KJ/m2 (5mm), 6.0KJ/m2 (8mm), 6.7KJ/m2 (12mm)
Gripping force of screws: 34N/mm (5mm), 57N/mm (8mm), 63N/mm (12mm)
Dry shrinkage rate: ＜ 0.18%
Wet expansion rate: ＜ 0.25%
Chloride ion content: 0
Material smoke concentration and smoke production rate: 25.0mg/l, 40.00%
Combustion performance level: A1 level
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