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And now with the attention to health, the release of formaldehyde more and more important, even more than the attention to wear-resistant attention.Zhu jun shan: that's true.Not wear-resistant is only beautiful, but if it is not environmental protection, it affects the health.
At present, the adhesive used to strengthen wood flooring is still mainly formaldehyde-based adhesive, and in the process of strengthening wood floor.The residual free formaldehyde in the adhesive will gradually release from the air.At present, the methods of determining formaldehyde release in sheet metal are perforation method, gas analysis, dryer method and test room method.
The method of determination of formaldehyde emission in China is the perforation method, and it is divided into two levels.The value of the A class is: ≤ 9 mg / 100 g;The B-such class was > 9 ~ 40 mg / 100 g.According to the national wood-based panel quality supervision and inspection center for a long time,The formaldehyde value of tens of different brands of reinforced wood flooring and 1M3 test room is less than 0.08mg / m3.
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