First, what is plywood?
The plywood is a three-layer or multi-layered plate-like material which is formed by cutting a wooden section into a veneer or by cutting it into a thin wood and then gluing with an adhesive into melamine paper. An odd number of veneers are usually used, and the fiber directions of the adjacent veneers are vertically glued to each other. Plywood is one of the commonly used materials for furniture. It is one of the three panels of wood-based panels (blockboard, particleboard, plywood). The slabs which are vertically and horizontally staggered in the direction of wood grain are coated with the veneered veneers and pressed under heating or no heating. Ordinary plywood is usually made by laminating a plurality of layers of natural wood chips, and each layer is double-rolled and then hot pressed. If you want two boards to be completely bonded, you need a lot of glue. The glue used in the board factory will contain some toxic substances such as formaldehyde, and the corresponding household items will contain formaldehyde pollution.
Second, the price of plywood：
Because plywood is a synthetic sheet and it needs to be processed in multiple steps during the production process. However, the wood used is very common wood, so this makes the price of plywood not expensive. Also, the price of a plywood also needs to be more than 100 yuan to buy. The price of specific plywood needs to be determined according to different manufacturers.
Third, how to remove formaldehyde from plywood?
The wood itself does not contain formaldehyde. In the production of adhesives for plywood - urea-formaldehyde resin glue, the glue is thermally decomposed in case of moisture, and the release period can be as long as 15 years. All plywood products emit a certain amount of formaldehyde. These products are the source of formaldehyde release. If it is not treated, it will take 15 years to evaporate.
(1) The panel should be prevented from cracking the citrus worm.
(2) Avoid direct sunlight for long periods of time or too dry indoors. The surface of the board should be kept away from the air outlet or the heating hood. Because it is easy to crack the panel skin due to too dry, it will affect the life of the panel.
(3) In addition, it should also be protected against moisture, avoid excessive indoor humidity, and prevent rainwater from entering. This is to avoid discoloration and mildew of the shaped plywood.
(4) If the surface dust is not cleaned, we can wipe it gently with a dry cloth or a wrung rag to avoid leaving the wet cloth to cause mildew.
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