According to the latest national standard of blockboard (GB/T5849—2006):
The release amount of E0 grade formaldehyde is less than or equal to 0.5mg/l,
E 1 level formaldehyde emission ≤ 1.5mg/L,
Emission of E2-grade formaldehyde ≤ 5 mg/L. ..
Extended data:
Blockboard procurement
Environmental protection, quality and service are the three indispensable selection criteria for consumers to choose plates. Environmental protection is the most important issue related to the quality of life of ordinary people. Follow the following principles:
See if it is a regular manufacturer's product. Check the manufacturer's trademark, production address, anti-counterfeiting logo, etc.
Second, see if the formaldehyde emission in the product test report is less than or equal to1.5 mg/L. Generally, regular manufacturers have test reports, and the lower the formaldehyde test value, the better.
Third, look at the appearance quality of blockboard. See if the surface of the joinery board is smooth, warped, deformed, blistered and sunken; The joinery board can be cut open at the site or during construction, and whether the internal core strips are even and tidy is observed. The smaller the gap, the better. The width of the plate core should not exceed 2.5 times of the thickness, otherwise it is easy to deform; The core belt shall be free from rot, fracture, wormhole and scar.
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