Nowadays, PVC blister film is more and more widely used in our life and has many advantages. However, no one is perfect, and no product is flawless from start to finish, especially PVC blister film. If you think about it carefully, what are the main advantages of PVC blister film? In the process of using PVC blister film, what are the reasons for some situations and what are the solutions? The main advantages of PVC film: 1. Non-toxic, environmentally friendly, odorless, non-irritating, free of formaldehyde and other harmful gases, easy to clean; 2. Adjustable hardness, temperature resistance, good elasticity, etc.; 3 , Low viscosity value, good spray and excellent adhesive properties. Reasons for edge opening of PVC blister film: 1. The amount of glue sprayed is not enough, and the requirements are not met; 2. The activation temperature of the blister plastic is not reached; 3. The suction is not in place, the backing plate and the processed part are dislocated, and the distance between the processed part and the processed part Too small; 4. The selected PVC is not specially used for vacuum blistering, and the surface tension is low; 5. Due to the hot weather in summer, the temperature of the workshop is relatively high. Trimming or other procedures; 6. After forming, store it in a high temperature and direct sunlight place for a long time after molding. Solution: 1. Increase the amount of glue applied, the cloth glue covers the board surface evenly and completely, and it is a prerequisite to ensure a sufficient amount of glue. 2. At the temperature that PVC can tolerate, try to increase the heating temperature and time. The situation of each equipment is different. Please use a temperature measuring gun to test the temperature of the heating plate (tube) and introduce important parameters such as temperature. 3. Adjust the position of the backing plate and the workpiece according to the requirements. The size and size of the backing plate are strictly stipulated, and it must be smaller than the backing plate, otherwise there will be problems with the edge. 4. When replacing the PVC film, the dyne value and elongation of the PVC film are different, especially the plasticizer content of the watch and back is an extremely important factor. Many customers do not understand why PVC looks good. There is a problem, which requires relevant measures to be tested. 5. After forming, it is forbidden to store in the sun under high temperature for a long time. Sun exposure is mainly because the external rays in the sun have a very strong destructive effect, so it will lead to exposure to open edges. Quality is an important part of the sustainable development of PVC blister film enterprises. Only by continuously strengthening product quality and ensuring product environmental protection and pollution-free problems from the source can we create a healthier and more secure home for consumers.
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