Sucking: A plastic processing technology, the main principle is to soften the flat plastic hard sheet by heating, and then adsorb it on the surface of the mold by vacuum, and then form it after cooling, which is widely used in plastic packaging, lighting, advertising, decoration and other industries.
Blister packaging: plastic products are produced by blister technology and packaged by corresponding equipment.
Blister packaging products include: blister, tray, blister box, synonymous with: vacuum cover, blister, etc.
The main advantages of blister packaging are saving raw and auxiliary materials, light weight, convenient transportation and good sealing, which meets the requirements of environmental protection and green packaging; Can package any special-shaped products, packaging does not need to add additional cushioning materials; The packaged products are transparent and visible, beautiful in appearance, easy to sell, suitable for mechanized and automatic packaging, convenient for modern management, saving manpower and improving efficiency.
Cracking of refrigerator inner shell is a kind of fault in refrigerator maintenance, which is called cracking of inner container. As we know, the inner container of the refrigerator is formed at one time through mold and plastic absorption process. In the process of plastic absorption, due to very small errors, the material may be uneven. The material in some places is very thin. There may be no problem in the production process of refrigerator. However, in the process of user's use, due to the influence of cold air temperature difference, the inner container will crack, commonly known as cracking.
If the crack length is less than 2 cm, and there is no tendency to continue to extend, you can leave it alone and use it normally. If it is more than 3 cm, and it will crack longer with a light press, be sure to call the refrigerator manufacturer or after-sales service outlets. They usually use a gel-like thing as a cushion. If you are in the warranty period, it is strongly recommended that you find a manufacturer to replace it with a new one, because this kind of problem is the tire belt, and this refrigerator will be like this for the rest of your life.
Cracking of the inner container belongs to the minor repair category in refrigerator maintenance. As long as it's not unsightly, it doesn't hurt to keep it.