Formaldehyde emission is one of the most important criteria for measuring the environmental protection of wood flooring. In fact, the wood itself contains aldehydes, but the content is minimal. The amount of formaldehyde released in the wood floor is mainly determined by the performance of the adhesive used in the production of the floor and the production process, regardless of the thickness of the floor. In China, usually we are exposed to the E-class standards. In the national standard "plywood" (GB / T9846.1-9846.8-2004), the formaldehyde limit level is divided into E0, E1, E2 three levels. Among them, E1 is a mandatory standard, that is, the floor of the formaldehyde emission capacity of 1.5mg / L, can be used directly in the room without causing health damage to the human body. And E0 is the recommended standard, that is consistent with the formaldehyde emission capacity of 0.5mg / L of the floor, its environmental health is higher. In Japan, the F-class standard is more stringent, established in 2003, the standard in 10 years to upgrade 7 times the current highest F4 star formaldehyde emission volume of 0.3mg / L, while the F3 star and the domestic E0 standard The same value. Comparison of common environmental standards So, after understanding the basic environmental standards, we have any help to our daily purchase of the floor? How can we identify whether the selected floor to achieve these environmental standards? This time, read the test report is very necessary. Here, teach you a few tips. 1. See the name of the standard system. When you buy the floor in the market, some businesses may say "E0 level is the highest international and international standards," omit the most critical standard system name. From the above table we can see that the domestic E0 standard with the European E1 standard is the same Oh, are formaldehyde emission capacity of 0.5mg / L. In Japan, F4 Star is Asia's highest environmental protection! 2. Recognize the certification body. In the international community, the floor-related environmental certification system, there are many institutions, the authority of a higher FloorScore certification, Switzerland SGS environmental certification, FSC certification, the United States CARB certification, the European EPLF logo certification. 3. See the certified product name. Many brands have dozens or even hundreds of products, a test report is clearly not enough. 4. See the time of certification. If many years ago the test report, most may have been invalid, the general consumer to look for the latest test report!
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