How to choose plywood? How to distinguish the quality of plywood?

Classification and characteristics of plywood

The first type is weather resistant plywood and boiling water resistant plywood, which has the advantages of high temperature resistance and steam treatment;

The second type is water-resistant plywood, which can be dipped in cold water and hot water for a short time;

The third type is moisture resistant plywood, which can be dipped in cold water for a short time and is suitable for indoor use at room temperature. For furniture and general construction purposes;

The fourth types of plywood are non moisture resistant plywood, which can be used indoors under normal conditions. The general-purpose plywood materials include beech, basswood, ash, birch, elm, poplar, etc.


How to choose plywood?

1) There is a difference between the front and back of the splint. When choosing plywood, the wood grain should be clear, the front surface should be smooth and smooth, not rough, and it should be smooth and non-sluggish. When buying multiple pieces of plywood, you should choose plywood with similar wood grain and color.

2) The plywood should not have defects such as damage, bruises, bruises, scar knots, etc., and there should be no decay and deterioration;

3) The plywood has no degumming phenomenon;

4) Some plywood is made by pasting two veneers with different textures together, so in the selection, attention should be paid to the tight joints of the plywood, and there is no unevenness;

5) When choosing plywood, pay attention to choosing plywood that do not loose glue. If the sound is crisp when the plywood is knocked by hand, the quality is good. If the sound is dull, it means that the splint has loose glue;

6) Choose environmentally friendly plywood and pay attention to its formaldehyde emission. Consumers should buy high-quality environmentally-friendly branded panels.


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