| Customization: | Available |
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| Color: | White |
| Material: | Non-asbestos |
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One of the 1st chloride free Mgo Board passed climate resistant test ROCKMAX magnesium sulfate board is made from reinforced magnesium oxide-sulfate cement, high activity filler, reinforced mesh fiber and polymers, which Integrated better thermal insulation & bending strength, it is specialized design for SIP skin and exterior sheathing.
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A1 Fireproof
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Will not release toxic gas when it is burning
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Moisture resistant
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Will not mildew and soften in wet condition
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High strength
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Bending strength 12mm>20-30 Mpa
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Durable
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Tested to BS EN 12467 category A for exterior sheathing
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Dimension stable
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Dimension changes <0.3% in exterior wall
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Waterproof coating
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Water absorption speed is 1/5 of normal mgo or fiber cement board
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Screw Holding
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Screw pull out strength close to OSB,12mm>800N
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Chloride free
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Will not corrode metal and screw, do not damp the wall
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Easy cut
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Could be cut by Utility Knife
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Parameter
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Result |
Test Standard
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Density
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2>1050kg/m3
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BS EN 12467 -2012
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Bending strength
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12mm> 20-30 Mpa
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BS EN 12467 -2012
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Water absorbing by weight/24 hours
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<15%
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BS EN 12467 -2012
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Water impermeability after 24h, water gauge 5 cm
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Lack of leakage
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BS EN 12467 -2012
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Shrinkage and expansion rate(exterior)
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<0.20%
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ASTM C 1186-08
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Thermal conductivity
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<0.22W/(m·K)
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ASTM C 518-10
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Asbestos or formaldehyde
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None
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EN REACH
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Fire Resistant
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A1
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EN ISO1182 &1176
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Chloride content
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<0.003%
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ASTM C 871
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Wet - dry 50 cycles
Heat rain 50 cycles Freeze-Thaw 100 cycles |
Strength remain>75%
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Category A Class 3 |
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Surface burning and smoke
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Class A Flame Spread<25
Smoke Develop<25 |
ASTM E 84-12
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