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By certification 
Features: Multifunctional Magnesium Fireproof Board, Eco-Friendly Product, Halogen Free, Asbestos Free,Formaldehyde Free ,Mothproof And Damp Proofing.
Material Composition: Magnesium Oxide. Magnesium Sulfate.Reinforced Fiber.Minerals.Additives.Etc.
Size：1220X2440mm ，Other Specifications Are Customizable.
Thickness: 3mm-25mm
Technical Data
Non Flammability: A Class
Compliance Standard: GB/T 9978 “Method for Fire Resistance Test of Building Component” GB 25970-2010 “Non-combustible Inorganic Compound Board”
Density :900~1200kg/m³
Moisture content: 4-8%
PH value: 9
Swell capacity of 100% water saturation (about):0.5 mm/m
Thickness tolerance: ±0.5mm
Error in length and width: ±0.5mm
Fire resistance period: ≥3h
Compressive strength: 7.7N/mm2
Bending strength: ≥7.8N/mm2
Application Scope
1.Ventilating duct and exhaust duct
2.Fireproof ceiling and partition
3.Smoke curtain
4.Steel column fireproof packing
5.Conduit shaft or wire and cable shaft
6.Upper closure of fire-resisting shutter and fireproof apron of glass curtain wall
