Four aspects of distinction: PVC plastic bottles, PET plastic bottles, PP plastic bottles, PE plastic bottles!

All walks of life need plastic bottle packaging. As a consumer, no matter the plastic bottle for food packaging or the plastic bottle for daily products, the bottle body is printed with PVC,PET,PP,PE, which represents the material of plastic bottle packaging. So what exactly do these signs mean? What exactly are they used for? What should consumers pay attention to when they see these signs?

PVC plastic bottles

PVC scientific name is polyvinyl chloride, PVC plastic raw materials are yellowish semi-permeable film state, with luster. Due to the poor stability of PVC plastic bottles to light and heat, PVC bottles can not be heated at high temperature or exposed to the sun outdoors to ensure the quality of the packaged goods and the safety of human use. PVC bottles can not be used for food packaging except other products packaging. So consumers can identify whether this bottle is made of PVC material through a simple method: the bottle will be folded, see the folding of the whitening phenomenon is PVC bottle.

PET plastic bottles

PET is known as polyterephthalic acid plastic, PET plastic raw materials are milky white or light yellow highly crystalline state. Compared with PVC material, PET has good optical properties and weather resistance, good non-toxic stability but not heat resistant water immersion, not alkali resistance. PET bottle packaging is suitable for food, medicine, cosmetics and other industry products packaging. It's very simple to identify a PET bottle. You can use a lighter on the bottle. If it smells comfortable, it's a PET bottle. If it smells pungent, it's not pure PET.

PP plastic bottles

PP scientific name is polypropylene, PP plastic raw materials are semi-crystalline state. PP material is a common common plastic light one, its electrical performance is excellent, used for damp heat resistance high-frequency insulation material, suitable for the automobile industry, daily products and other packaging, in food packaging, PP bottle can not be used for carbonated drinks barrier packaging. So consumers take note!

PE plastic bottles

PE, the scientific name of polyethylene, is the world's largest output of synthetic resin, but also the largest consumption of plastic packaging materials. PE material because of water absorption is very small insoluble in water, not easy to damp, insulation performance and other advantages, so not only used in food and drug packaging can also be used in the construction industry.

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