Introduction and optio
Date：Dec-09-2024
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The wooden building templates， is a wood-based panels. After the glue veneer grain direction criss-cross dubbed slab, heated or not heated under the conditions of repression. Number of layers is odd, a few with an even number. Vertical and horizontal direction of the physical and mechanical properties of little difference. The definitions of the terms of the national standards of the People''''''''s Republic of China Plywood (Plywood-Classification) plywood is made of three or more layers of about one millimeter of wood veneer or laminate glue hot pressing, plywood, five plywood, nine plywood and 10 two plywood (commonly known as plywood, the Wuli board, nine PCT board, 12% of board). Structural strength and good stability. Plywood including plastic large amount of construction to do the edge treatment to reduce pollution. The plywood is mainly used for the process of the floor of the decorative panels, panel furniture backplane and other wood products.
In the choice of plywood mainly depends on the formaldehyde emission and bonding strength. If the bonding strength of the plywood is not good, easy to fall apart. Select the attention are consistent with the nominal thickness and actual thickness of the plywood.
Select plywood to note the following:
The ① plywood sides of the difference. Selection, plywood, wood clear, positive and smooth smooth, rough, smooth and no lag feel.
The ② plywood should not be broken, bruised, bruising, scars Festival defect.
③ plastic plate unglued phenomenon.
④ some plywood veneer with two different lines made the choice to pay attention to the plywood seams should be tight, there is no uneven phenomenon.
The ⑤ selection of plywood, should pay attention to selection lingers glue the plywood. If the hand is struck various parts of the plywood, the sound is crisp, the proof of good quality, if the sound is muffled, the plywood has appear the phenomenon of bulk plastic.