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120 min Fire Rated
Magnesium oxide Door Core Board
Door board introduce
Expanded Mgo door core board is a new advanced fireproof panel .Making mainly of lightweight fire-retardant materials and peculiar composite additives through a special production process.
Length: 2000-2100mm
Width: 900mm
Thickness: 28-60mm
Density: 280-500kg/m3
Door core board performance
Well known as cross-century green building materials, the burning behaviour can grade A1 . Smoke behaviour is classified as non-toxic AQ1(safe rate) in acordance .It is non hazardous, light, fireproof ,heat insulation,preservation and easy-installation.
Fire rating time: 60/70/90/120min
Density: 250-300kg/m3
Anti- bend intensity≥8Mpa
Compressive strength: 0.35-0.8(Mpa)
Moisture content(%)≤10
Fireproof limit: 1-2h
Fireproof temperature: 1200c
Sound-absorption coefficient: 0.03-0.8
Usage: Steel door, wooden door, Special fire rated door.
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