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The use of plywood and significance

DATE£º2011-7-12  Information source£ºZhongxin Wood Co., Ltd.
¡¡¡¡From a structural point, the outermost layer of plywood veneer called dashboard, the front panel of the dashboard as it is the best quality single sheet. Negative dashboard called back, followed with a single sheet of quality. The single sheet is called the inner core board or the board, with the poorest quality single-sheet form.
¡¡¡¡Plywood veneer from logs into veneer sliced \u200b\u200binto veneer or wood side, then glue adhesive layer made of three or more thin sheets. Layer of veneer is usually an odd number, and to the adjacent layers of veneer glued fibers arranged in the direction perpendicular to each other made. Therefore triple, five co-, seven-layer plywood together so odd.
¡¡¡¡Manufactured plywood, it has the following characteristics: First, the plywood all the advantages of both the natural wood, such as light weight, high strength, texture, appearance, insulation, etc., but also to make up for some of the natural wood of naturally occurring defects such as sub-section, small format, deformation, and large differences in the mechanical aspect. Second, plywood production to the rational use of wood. Because it is not sawdust, 2.2-2.5 cubic meters of logs can each produce 1 cubic meter of plywood, instead of about 5 cubic meters of logs can be sawn into boards to use, and each produce 1 cubic meter of plywood products, and can produce 1.2-1.5 cubic residue meters, which is the production of medium density fiberboard and particleboard better raw materials.
¡¡¡¡As plywood with small deformation, large format, easy construction, does not warp, stripes and tensile mechanical properties and good. Thus, the products are mainly used in furniture manufacturing, interior decoration, residential buildings with a variety of plates. Followed by the shipbuilding, railway carriage manufacturing, all kinds of industry, light industry products, and packaging industries use.
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