First, plywood has all the advantages of natural wood, such as light weight, high strength, beautiful texture, insulation and so on, but also to make up for the natural wood naturally produced some defects such as internodes, small size, deformation, vertical and horizontal mechanical differences and other shortcomings. Second, plywood production can be the rational use of logs.
Because it does not have sawdust, every 2.2-2.5 cubic meters of logs can produce 1 cubic meters of plywood, can replace about 5 cubic meters of log sawn into the plate use, and each production of 1 cubic meters of plywood products, but also can produce surplus 1.2-1.5 cubic meters, which is the production of medium density fiberboard and particleboard better raw materials. Because plywood has the advantages of small deformation, large amplitude, convenient construction, no warping, good tensile resistance of transverse lines and so on. Therefore, the product is mainly used in furniture manufacturing, interior decoration, residential construction of a variety of plates. The second is the use of shipbuilding, car box manufacturing, a variety of military, light industrial products and packaging industries.
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