In the market nowadays, reinforced wood flooring is generally composed of four layers of composite materials, namely a wear layer, a decorative layer, a substrate layer, and a moisture barrier layer.
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The bottom layer of the laminate wood floor is a moisture-proof layer, which is usually made of polyester material. The base material layer is the main part of the laminate wood flooring. The density board is used as the base material; the base material layer is the decoration layer, that is, the pattern layer. The first layer is made of a specially processed paper; the wear layer is a layer of anti-wear agent uniformly pressed on the surface of the laminate floor.
In the four layers, the base layer is the most important. It is the core component of laminate flooring. It uses pine wood and fast-growing species as the main raw material. After peeling and screening, it is mechanically separated and chemically processed using wood or plant fibers. , Incorporating adhesives and water repellents, and then paving, forming and high temperature, high pressure pressure. Because the wood fiber is added to the adhesive through high temperature and high pressure, the density is relatively uniform, and the mechanical properties are close to that of wood, which is currently a more popular artificial plate in the world.
There are several methods for general inspection of substrates:
First, look, first look at the fineness of the substrate fiber, whether it is uniform, with or without impurities; second look at its color, the base material of pine as raw material, retain the true color of pine, darker color, pine growth cycle longer The wood fiber is completely developed and its physical properties are better. Compared to the white substrate, most of the fast-growing tree species are used. The wood fiber of the fast-growing species is incompletely developed and has poor physical properties.
Second, smell, see if there is no smell of the substrate.
Third, cook, can take the different brands of the floor in the same container, soaked in water at 100 °C for 30 minutes, take out the look, the higher the expansion coefficient shows the quality of the more times, the lower the coefficient of expansion the better the quality.
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