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Longer fire rating time reach 2 hours in wooden/steel door with national test of MGO material

Density:1.0-1.2kg/m3
Fireproof:grade A
flexual strength:≥8MPa
anti-impact;≥2kJ/m2
halogenation resistance:no water and no moisture created
water content:less than 8%
dry shrinkage rate:rate ≤0.3%
expansion in water rate:≤ 0.6%
content of chloride:≤ 10%
Certificate:ASTM,SGS,ISO9001,2000Qc systems

No-asbestos fire rated door core board replace perlite board to making steel door

Scientific prescription, real green and environmental material. 100% No asbestos contained. Antisepsis, mothproof, ant-proof, Perdurable and great duration of life.

Specification:

Length: 2100-2200mm

Width: 900mm

Thickness: 28-60mm

Density: 280-500kg/m3

Door core board performance

●Heat conductivity coefficient: ≤0.055W/ (m.k)

●Compressive strength: ≥0.50MPa

●Strength of extension: ≥0.10MPa

●Drying shrinkage value: ≤0.80mm/m

●Frost resistance (15 circulations): quality loss rate: ≤5.0%

●Loss rate of compressive strength: ≤20%

●Combustion performance: A1