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The structure of PVC membrane

Add: 2020-03-26Click:
So what exactly is PVC? PVC, the full name is Polyvinylchlorid, the main ingredient is polyvinyl chloride, in addition to add other components to enhance its heat resistance, toughness, ductility. The top layer of this surface film is lacquer, the main component in the middle is polyvinyl chloride, the bottom layer is backcoated adhesive. It is a popular, popular and widely used synthetic material in the world today. It is the second most widely used synthetic material in the world. According to statistics, in 1995 alone, the production of PVC in Europe was about 5 million tons, while the consumption was 5.3 million tons. In Germany, the average production and consumption of PVC is 1.4 million tons. PVC is being produced and used worldwide at a rate of 4%. The growth of PVC in southeast Asia is particularly significant due to the urgent need for infrastructure construction in southeast Asian countries. Among the materials that can produce 3d surface film, PVC is the most suitable material.

PVC can be divided into soft PVC and hard PVC. Among them, hard PVC accounts for about 2/3 of the market, and soft PVC accounts for 1/3. Soft PVC is generally used for floor, ceiling and leather surface, but because soft PVC contains soft agent (this is the difference between soft PVC and hard PVC), easy to become brittle, not easy to preserve, so its use scope is limited. Hard PVC does not contain softener, so it has good flexibility, easy to shape, not easy to brittle, non-toxic pollution, long storage time, so it has great development and application value. The following is referred to as PVC. The essence of PVC is a kind of vacuum blister film, used for the surface packaging of all kinds of panels, so it is also known as decorative film, adhesive film, used in building materials, packaging, medicine and many other industries. The building materials industry accounts for the largest proportion of the 60%, followed by the packaging industry, and a number of other small-scale applications of the industry.