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Definition:PET” is the acronym of Poly-Ethylene Terephthalate, oftently written Polyethylene Terephthalate. It is a thermoplastic polymer resin from the Polyester family.

Comments: The term polyethylene terephthalate is a source of confusion because this substance, PET, does not contain polyethylene

PET is a high performance, recyclable, polymer, ranking third in terms of volume of global consumption and widely used in textile and packaging applications.

The packaging industry values the excellent physical and optical properties of the polymer which is used extensively for water and carbonated soft drink bottles.

The PET resin has superior properties; they are attractive, pure and safe. The low permeability of PET to oxygen, carbon dioxide and water means that it protects and maintains the integrity of products giving a good shelf life. It also has good chemical resistance.

PET bottles have the advantage of being lightweight, one-tenth the weight of an equivalent glass pack. Thus, PET reduce shipping costs, and because of the material is thinner, shelf utilization is improved by 25 per cent on volume as compared to glass. High strength, low weight PET bottles can be stacked as high as glass.

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