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Experts teach you to identify PET bottles and PVC bottles

Experts teach you to identify PET bottles and PVC bottles

If PET bottles and PVC bottles are mixed together, all of them are transparent bottles. PET bottle molding is carried out in two steps, that is, injection molding followed by blow molding. Therefore, each PET bottle has an injection port at the bottom, and you can take a look at it. PVC is blow-molded and does not need to be injected, so there is no injection port. So a bottle with a filling port is PET, but not PVC. 　　

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