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| Supplier: | Zhangjiagang Oriental Construction Material Co., Ltd. |
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| Price: | US $ 5-25/Square Meter |
| Min Order: | 100/Square Meter |
| Quantity:: | |
| Trade Terms: | FOB,CIF,DAP |
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| Prod Model: | 1200*2400mm |
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| Markets: | North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Density: | 1.0-1.3G/Cm3 |
| Surface Treatment: | Slurry, Nonslurry |
| Backside Treatment: | Texture and Sanded |
| Fire Resistant: | 3 Hours |
| Delivery: | 15 Days After Deposit |
| Certificates: | CE,ASTM ,SGS,ISO9001:2000 QC System |
| Sample: | Free Sample |
| Quality: | Grade a |
| Grade: | Grade A |
| Thickness: | 5mm |
| Appearance: | Panel |
| Material: | Glass Fiber |
| Type: | Magnesium Oxide Board |
| Surface Finishing: | Glossy |
| Shape: | Square |
| Refractory Temperature: | 1580~1770℃ |
| Usage: | Building |
| Color: | Grey, White etc |
| Edge: | Tapered,Beveled,Grooved |
SIDE BY SIDE COMPARISON FOR OCM MGO BOARD | ocm mgo board Advantages | |||
| OCM mgo board | Calcium Silicate Board | Cement Board | ||
| Basic Compounds Used | Natural Silicates, (MgO) (CaCO3) Magnesium Oxide Calcium Carbonate Wood fibre Glass fibre | Wood chips Refined Sand Cement Cellulose Additives | Portland Cement Aggregate Water Additives Chemicals | lightweight non-flammable natural materials inert non-contaminating |
| Density | 980 Kg/m3 | 1300 Kg/m3 | 1250 Kg/m3 | lighter weight for comparable strength, stronger & more rigid |
| Surface & Colour | Uniform Smooth & Consistent, Chalk White, Slate Grey and Custom | varies Off-Whitish | very rough Greyish | selection of colors, smoother surface for receiving paint or left natural |
| Thermal Conductivity | 0.44 W/mK | 0.35 W/mK | 0.22 W/mK | more energy efficient MgO also has good heat refraction properties |
| Bending Strength | 20.1 N/mm2 | Dry 29N/mm2 Wet 17N/mm2 | 12 N/mm2 | stronger more flexible |
| Modulus of Elasticity | 6045 N/mm2 | 6000 N/mm2 | 5500 N/mm2 | more rigid |
| Stability of Thickness Swelling after 24 hours in Water | 0.2% (maximum even after seven days in water) | 0.78% | 1.8%CemBoard - Malaysia, 0.7%VirocBrand - Portugal | moisture resistant, lower swelling rate, won't degrade in water over time |
| Dry Shrinkage(heating and cooling when dry) | < 0.08% | < 0.09 % | 0.17% | greater dimensional stability, less expansion/contraction, resistance to cracking |
| Surface Alkalinity | PH ~10 | PH 13 | PH between 11-13 | relatively lower alkalinity |
| Moisture Content | 10% | 10% | 12% | relatively lower moisture content |
| Fire Resistance & Combustibility | Rated Class 1 through fire resistance tests Non-combustible | Not Available Not Rated | Not Available Not Rated | non-combustible, highly fire resistant, tested for fire rating to 1 hour with 12mm boards |
| Sound Attenuation | 48 db ave. vol. reduction with 2 9mm (~3/8") board and 90mm batts metal partitions | Not Available No tests | Not Available No tests | dB reduction increases by thickness and/or by adding layers sandwiched with acoustical goo |
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