Bottles are cool drink bottles, mineral water bottles, liquid food bottles, cosmetic bottles, etc. The materials used are polyethylene (PE), polyvinyl chloride (PVC), polyethylene terephthalate (polyester) (PET) and so on.
PVC (polyvinyl chloride) can not be used for food packaging, contains chlorine molecules, in contact with water, the formation of dilute hydrochloric acid, harmful to the human body. Material bottles and mineral water bottles are made of food-grade plastic, but these plastic bottles are not resistant to high temperatures, and are safe to use only at low temperatures. In addition, these plastic bottles are single-use.
Some residents like to fill their bottles with hot water, and high temperatures can cause harmful substances in the plastic to dissolve out. At the same time, long-term soy sauce and vinegar and other liquids, may also dissolve harmful substances, so repeated use of mineral water bottles or beverage bottles is very harmful, do not use hot water hot plastic bottles.
Extended information:
Wahaha's bottle cap material is PE (polyethylene), not polyester. The bottle material is PET (polyethylene terephthalate), polyester, mineral water bottles are useful for PET, but also useful for PVC, PVC is generally more
The softness and hardness of the bottle is only relative to the thickness of the bottle, 500ml bottle, for example, as long as the cap is twisted open, it is not easy to squeeze out the bottle of water, even if it is qualified. But pay attention to observe the bottle, the overall color difference, the color is not pure, there are impurities or black spots are generally recycled materials.
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