OSB is Oriented strand board, is the upgrading of the traditional particleboard products, its mechanical properties with directionality, durability, moisture resistance and dimensional stability than ordinary particleboard.With a small expansion coefficient, no distortion, good stability, uniform material and nail holding high performance.
Oriented strand board was created in the late 1970s as inventors extended the use of waferboard. It differs from other wood-scrap products because its long strips of wood are placed strategically rather than randomly.
OSB uses the wood from trees that grow quickly and sustainably, like aspen poplar, southern yellow pine and mixed hardwood species. The process of making OSB involves cutting the logs into strands that are then dried, organized and treated with wax and binders. To form panels, these strands are grouped into big sheets and pressurized at a high temperature.
OSB has come into fashion as a product with the same purpose and function as plywood.
OSB/2 – Load-bearing boards for use in dry conditions
OSB/3 – Load-bearing boards for use in humid conditions
OSB/4 – Heavy-duty load-bearing boards for use in humid conditions
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