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Cosmetic plastic containers Cosmetic plastic packaging manufacturers Yunhui Overview: plastic packaging based on synthetic or natural polymer resin as the main material. After adding various additives, under certain temperature and pressure malleable and can be fixed to a class of materials whose shape after cooling. Natural or synthetic polymer resin molecules in the molten state, and evenly distributed around the molecular process called plasticizing additives, this process has reached a plasticizer called has not yet been reached, has not yet been considered plasticized. Plastic packaging is one of the four packaging materials: paper and paperboard accounted for 30%, 25% plastic, 25% metal, glass accounted for 15%. Plastic plastic classification according to its own performance can be divided into: You can repeatedly melt molding process while substantially maintain its properties of thermoplastics and thermosetting plastics two categories only once melt-molding. Depending on its use can be divided into use of a wide, low price, good overall performance general-purpose plastics, such as PE, PP, PVC, PS, and amino plastics have good physical and mechanical strength, may be used instead of metal construction machinery engineering plastics such as: ABS, nylon, polyester, POM, TPX-1 and the like. As well as having a particularly excellent in a performance class of engineering plastics, such as: having a particularly good radiation resistance, high temperature resistance and other specialty plastics, such as: polyaryl sulfone, liquid crystal polymer. 

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