The relationship between the thickness of plywood and the number of layers

The relationship between the thickness of plywood and the number of layers

Plywood is also one of the materials often used in decoration. There are many kinds of plywood. The density and thickness of plywood are important factors to measure its quality.

The higher the density of plywood, the better the quality. Generally larger than that of the same species. The higher the unit pressure, the higher the density of plywood. Because wood is easy to produce plastic deformation at high temperature, the compression ratio of hot pressing bonding is higher than that of cold pressing bonding. Because plywood is made of interlaced veneers, its thermal conductivity is lower than that of wood of the same species.

The outer veneer of plywood is called the surface plate, the front surface plate is called the panel, the back surface plate is called the back plate, and the inner veneer is called the core board or medium plate.

Plywood is made up of thin pieces of wood, including plywood, plywood, and so on. Occasionally, there are odd numbers. According to the combination of different layers, the thickness of plywood is also different. Generally, there are several specifications, such as 3mm, 5mm, 9mm, 12mm, 15mm, 18mm, etc. of course, there will be other thicknesses according to special circumstances.

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