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Second layer: decorative layer. Is a layer of melamine resin impregnated by paper printing paper imitation precious species of wood or other patterns.
Third layer: the grassroots level. Medium density or high density laminate. High temperature, high pressure processing, have some proof, flame retardant, the base material is made of wood fibers.
The fourth layer: balancing layer. It is a layer of kraft paper, there is a certain strength and thickness, and impregnated with resin, played the role of moisture-proof floor deformation.