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What is PET bottle

- Aug 23, 2018 -

PET bottle is a plastic material called polyethylene terephthalate or PET, which is a polymer produced by combining terephthalic acid and ethylene glycol.


PET bottles have strong applicability and are widely used in daily necessities, daily packaging and other fields. From mold processing to machine equipment, it is extremely critical, easy to get started, and difficult to do.


Due to its light weight and good preservation, the technical trend of emphasizing heat resistance and pressure resistance has made PET bottles the mainstream of today's drinking packaging. Many beverages that require high-temperature sterilization to be filled, such as flavored water, juice, dairy products, sports drinks, etc., have also been packaged in PET bottles. PET bottles have become the mainstay of beverage packaging materials. Due to its low environmental pollution and energy consumption, PET bottles have gradually replaced traditional packaging materials in today's environmental awareness. With its functions of heat resistance and pressure resistance, it has recently replaced various PVC bottles, bags, aluminum cans, iron cans, glass bottles, etc., and has become the packaging material with the most growth potential.


Production processes:

PET bottles are processed again by blow molding to form plastic bottles, including bottles for cosmetics, medicine, health care, beverages, mineral water, reagents, etc. This bottle making method is called two-step method, that is, preforming by injection molding, and again A method of blow molding to form a PET plastic bottle.


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