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What should be paid attention to when injection molding PET preforms?

1. Treatment of plasticsBecause PET macromolecules contain fat base and have certain hydrophilicity, the pellets are more sensitive to water at high temperature. When the water content exceeds the limit, the molecular weight of PET decreases during processing, and the product becomes colored and bri

2022 03-25

What are the main advantages of PET bottles?

PET bottles have almost monopolized medicinal oral liquid bottles and health care bottles, and once caused the price of raw materials to rise. What makes it so attractive? Is PET bottle really the best material, just like the rumors of the outside world?First of all, the polyester bottle is light in

2022 03-22