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Therefore, in the choice of the floor, to see whether their products have the certificate issued by the state environmental protection product marks.
The national standard of superior grade product of absorbing water thickness expansion rate must be less than or equal to 2.5%, static bending strength greater than or equal to 40MPa, and the formaldehyde content should be less than 1.5 mg/L; In fact, only the green indicator of the health of aggrandizement wood floor formaldehyde content in a, it is far below some building materials is a class a product.
The latest carried out by the Beijing Consumer Association simulation of indoor environmental formaldehyde emission concentration of a sample of similar products for all products in all lower than the national standard.Beijing Fu Wan is only 0.3 mg/L formaldehyde emission of the floor, the water absorption rate was only 1.5-1.7%.
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