As the wood fiber is added to the adhesive through the high temperature, high pressure, its density is relatively uniform, close to the mechanical properties of wood, is the more popular international a man-made sheet. General inspection methods of the substrate are the following: First, look at the first to see the substrate fiber fineness, whether uniform, with or without impurities; second look at its color to pine as raw material substrate.
Retaining the pine nature, color darker, pine growth cycle is longer, wood fiber development is complete, good physical properties, than the white substrate, using mostly fast-growing species, fast-growing species of wood fiber development is not complete, physical Performance is poor.
Second, smell, see the substrate has no smell. Third, boil, can take different brands of flooring in the same container, soaked with 100 �� water for 30 minutes, look out, the higher the expansion coefficient that the quality of the times, the lower the quality of the better expansion coefficient.
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