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Plastic Packaging

Plastic is a synthetic or natural polymer resin as the main material. After adding various additives, at a certain temperature and

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pressure is malleable, a class of materials which can be fixed shape after cooling. Natural or synthetic polymer resin molecules

in the molten state, and evenly distributed around the molecular process is called plasticizing additives have already reached

this process is called a plasticizer, is not reached, the plasticizer is not yet considered. Plastic packaging materials is one of

the four packaging industry: 30% of paper and paperboard, plastics accounted for 25%, metals 25%, 15% glass.


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