uncomfortable and some sticky, the water content is high. Formaldehyde emission is a direct hazard to the health of consumers. The standard of the Chinese national standard has been clearly stipulated. The test of perforation extraction is less than 40 mg / 100 g,
which is usually determined by experimental test.Therefore, you can ask the operator for test data, and can also use a simple and rough method, open one of the bags, remove the floor, get the nose near the floor, smell it, and smell a strong, pungent smell of formaldehyde,
The formaldehyde concentration in the air has exceeded the standard.In addition to the above technical indicators, it should be seen as follows: 1. Gluing properties-impregnation and bonding strength, bonding quality can be made by hand-breaking, and the phenomenon of stripping delamination is observed.
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