The density of grey MgO board is higher than white MgO board,and grey board has better impact resistance,in pracrial applications,it can be used for internal and external walls and flooring.In many building projects,grey MgO board can also replace fiber cement board.
Size and Thickness:
Size:1220*2440mm or 1200*2400mm, Max Length is 3000mm.
Thickness:3-20mm
Technical data:
| Grey Color Magnesium Oxide Board | |
| Density | 1000 Kg/m3(+/-＜2%） |
| Compressive Strength | 20Mpa(3,000 PSI) |
| Impact Resistance | ＞6KJ/m2 |
| Tensile Strength | ＞ 5.5MPa |
| Moisture Absorption | 26% maximium saturation(slow absorption rate) |
| Moisture Content | 6% |
| Water Vapour Diffusion | 28/35 |
| Specific Heat | 930J/KgK |
| Thermal Conductivity | 0.44 W/Mk |
| Modulus of elasticity | 6045 N/mm2 |
| Flexibility UNI E 12372 | 20.1N/mm2 maximum 12mmx1220x2440=10N/mm2 |
| Surface Alkalinity | 10Ph |
| Thermal Expansion Hot/Cold | 0.01mm/mC(from temp+20℃ to-20℃） |
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2018
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2018
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