QINGZHOU JINSHENG GAOKE INDUSTRY & TRADE CO.,LTD.
Prefabricated house engineering and design,light steel house production,
wall planel and wall board production,PRC cover plate production.
Address: qingzhou caterpillar industrial park shandong,P.R.China,Tel: +86-536-3207917,Fax: +86-536-3537258
Mobile/Wechat:Lily Xiao +8615008241932 / Andy Wong +8613964629399,E-mail: xqh@sdjinsheng.com
High quality MgO board for sale
Date:2020-03-13 14:20:34 Author:
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Subject
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Item
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Requirement
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Standard
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Color：
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White
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Diagonals
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+/-2mm
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Edge Square
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Straightness of edges
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1.5mm/M
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Apparent Density
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1050≤ρ≤1150kg/m3
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Moisture Content
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15-18% 12% after 28days
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Bending Strength
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18.8Mpa
10mm≥10mpa 28days JC 688-2006
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Impacting Strength
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8.3 kJ/m2 JC688-2006 Standard ≥2.0kJ/m2
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Nailing strength
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86N/ m2 JC688-2006 Standard ≥20 N/ m2
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Water Permeability
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No obvious moisture or water on the back
side
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Percentage of dry shrinkage
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≤0.3%
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Percentage of water swelling
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≤0.6%
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Content of Chloride ion
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≤3-6%
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Dehalogenation Resistance
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Temperature 32degrees, humidity 96degrees,
testing 72 hours, no water and no moisture created (qualified)
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Environment
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No Radiation, No Asbestos, No
formaldehyde
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Alkali resistance on surface
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No Abnormal Appearance on Surface
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Fungal Growth Measurements
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No Fungal Growth
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Fireproof Performance
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Following GB8624-1997 A-level
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Edge
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90°
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Assist-Material
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No Objectionable Ingredient, Industry
Rubbish, No Injurant wood dust, No venomousness item
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Magnesium Oxide
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Component
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≥50% of total powder material
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Content
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≥85% Magnesium Oxide Material Content
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Active of Magnesium Oxide
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Active ≥65
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Loss on Burning
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Loss on Burning 5-6%
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Granularity
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≥200
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Magnesium Chloride
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Content
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≥44.50%
≥44.50% Magnesium Chloride Material
Content
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Other Chemical Composition
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Sulfate ion≤2.80%;
Alkali metal chloride≤0.90%
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Variety of Modifier
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2 type will be use
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name: 1:Polyvinyl alcohol
2:Coupling agent
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Specially Item
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Silicon Dioxide (20% of total powder material)
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Small of（Alkali-resis） Fiber glass will add to mix material（15% of total powder of Mgo）
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Fiber Glass Matting
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Layer
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2 layer
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Size of Fiber Matting
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Width: 1300mm Hole:4mmx4mm
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Mass per unit area
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150g/m2 -250 g/m2
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Breaking Force
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Each layer≥1600N/50mm
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Alkali resistance of Retention rate
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≥65%
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Matting of Alkali Metal Oxides
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≤12%
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Perlite
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Size
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Even granulartity:1-2mm
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Wood Dust
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Size
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60-80 less than 3mm
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Matting
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Mass per unit area
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15g/m2
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