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Price: | US $ 3.25-25.00PCS |
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Trade Terms: | FOB,CFR,CIF |
Min Order: | 100PCS |
Pay Type: | T/T |
Prod Model: | 4'X8' |
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Markets: | South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
Density: | 1.0-1.3G/Cm3 |
Surface Treatment: | Standard or Slurry Treatment |
Backside Treatment: | Standard or Sanding |
Fire Resistant Time: | 3 Hours |
Delievery: | 15 Days |
Certificate: | CE,ASTM ,SGS,ISO9001:2000 QC System |
Sample: | Free |
Quality: | Grade a |
Grade: | Grade A |
Thickness: | 10mm |
Appearance: | Panel |
Color: | White |
Material: | Non-asbestos |
Type: | Magnesium Oxide Board |
Surface Finishing: | Glossy |
Edge: | Square |
Shape: | Square |
Refractory Temperature: | Over 2000 ℃ |
Usage: | Building |
Compressive Strength | ~20 MPa (3, 000 PSI) |
Impact Resistance | > 6 kJ/m2 |
Tensile Strength | > 5.5 MPa |
Density (Specific Mass) | ~1000 Kg/m3 (+/-< 2%) |
Moisture Absorption | ~26% maximum saturation (slow absorption rate) |
Moisture Content | ~6% |
Water Vapour Diffusion | ~28 / 35 |
Specific Heat | ~930 J/kgK |
Thermal Conductivity | ~0.44 W / mK |
Modulus of elasticity | ~6045 N/mm2 |
Flexibility UNI E 12372 | ~20.1 N/mm2 maximum 12mm x 1220 x 2440 = 10 N/mm2 |
Surface Alkalinity | ~10 Ph |
Thermal Expansion Hot/Cold | 0, 01 mm/mC (from temp +20C to -20C) |
Expansion in Water | less than < 0.02% from ambient to saturation |
Freeze / Thaw - UNI EN 520 | 100 cycles without notable effects |
Frost Resistance | no water drops form on surface |
Combustibility / Fire Ratings | non-combustible / 12mm exceeds 1 hr fire rating |
Dimensional tolerance | thick 0.2mm / width 2mm / length 3mm / Sq. 3mm |
Toxicity Pollutants Heavy Metals - UNI EN 12457-2 | Below measurable levels of test instruments |
Asbestos Analysis | Absent - not measurable |
Formaldehyde Analysis | Absent - not measurable |
Sound Attenuation (9mm) | tested design ASTM E90 = STC 48, 50, 55, & 60 |
Color | Slate Grey and Chalk White |
Surface texture | smooth one side; uniform machine textured back |
Basic Compounds | (MgO)+(natural silicates)+(glass fibre)+(wood fibre) |