According to the quality standed of BS EN 300, we can sort the OSB into four grades as follows:
OSB-1:it can be used in the dry enviroment
OSB-2:it can be used in the dry enviroment with weight capacity
OSB-3:it can used in the moisture enviroment and with weight
1. Tight construction and high strength
2. No twisting,delamination or warping, rotten or decay.
3. Strong against corrosion and fire, water proof, consistent when exposed in the natural or wet environmet, Low formaldehyde emission, Good nailing strength,easy to be sawn, nailed, drilled, grooved, planed, filed
4. Usage:Can be used for roof decking, roof sarking, wall sheathing flooring, packing, hoarding, signboards and portable building, constructional insulation board
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