The smaller the value, the better the moisture-proof performance.As long as it is wood, there is an expansion rate, but the water boil, blister is not afraid, I am afraid should suspect the ingredient.It is unscientific to use the method of boiling and blister, and it is misleading to consumers.Out of the "green material"misunderstanding use green base material does not represent environmental protection, the standard of environmental protection material is formaldehyde emission less than 1.5mg / L,The standard of green base material is formaldehyde emission less than 1.2mg / L, green base material is the international representative of moisture-proof material.
But some domestic small manufacturers in the common base material to add green as green substrate.The opposite effect is affecting the quality of the floor.Out of the "decoration recommendation"misunderstanding there are many decoration companies for the benefit of users, recommend some suitable users of the floor brand,
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