There are many reasons for the bubbling of the plywood, which may be due to unqualified raw materials, poor quality, and poor surface smoothness of the substrate, which may easily cause bubbling of the finished multi-layer board; it may also be a veneer material. Due to the poor quality, some materials do not have the proper waterproof performance. When used, some foreign air will be infiltrated, which will cause such problems that should not occur. Or the processing technology is not mature, the process is not standardized, if the bonding of the sheet and the veneer is not in place, then the appearance of bubbling is very common.
Improper use of the terminal will also cause the products of the multi-layer board manufacturer to bubbling. The temperature and humidity are all in an unsuitable situation. This is also the case. Therefore, we must understand the reasons for the drums to be used.
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