Analysis and solutions for foaming of PVC-coated aluminum and wood-plastic panels

Nowadays, many laminating factories must encounter problems such as blistering of coated aluminum and wood-plastic panels in the production process. So how to avoid such situations, I believe that many companies have also developed a set of suitable for their own enterprises. Solution. Here, ZHONGSHAN LINYANG PLASTIC CO.LTD, Zhongshan City, will do an analysis and solution on the causes of foaming of the coated PVC film: 1. The coating products have poor heat resistance; 2. The initial setting of the coating is not good; 3. 4. The curing agent and glue have not been prepared for a period of time to allow them to fully react; 5. The glue is thick, corroding the PVC film and foaming, resulting in dense long-shaped small bubbles. In other cases, you can see the bubbles at the time, only the glue is thick, and you can't see it at the time, it will come out after a while, and you can make it thinner; , The surface of the board is very smooth, it is not easy to coat, the amount of glue used is large, and the speed of the coating machine cannot be opened fast, otherwise it is easy to foam. 6. The products covered with cold stickers should be placed in a constant temperature room for 24 hours! Zhongshan ZHONGSHAN LINYANG PLASTIC CO.LTD decoration said that the methods to avoid using PVC film to coat hot sol without foaming are as follows: 1. After the product is ready, it needs to be cooled for two to three days, and it should not be exposed to the sun or exposed to high temperature. 2. The aluminum material should be well melted, and there should be no garbage, dirt and oil on the surface of the material; 3. Try to use high molecular weight coating hot sol water. The above are some solutions to the foaming of PVC coated film that Zhongshan ZHONGSHAN LINYANG PLASTIC CO.LTD decoration has summarized for you. I hope it can help you!

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