Its colorful plastic bottles, unbreakable, durable economy, to people’s lives a lot of convenience, many of the import and export of food and beverage plastic bottles are used as packaging. However, this year, affected by “bisphenol A” and “plasticizer” storm, plastic bottles brought to the cusp. In the end what is safe plastic bottle, plastic bottle, how to choose and use has become the focus of consumer concern.

Careful consumers will find the triangle mark at the bottom of most plastic bottles have with an arrow inside a digital sign between 1-7 (shown below), which is actually a plastic bottle “security level” triangle symbol is a plastic recycling symbol, inside figures show the production of plastic bottles main material.

plastic-bottles-material-selection

The main component of “1” of plastic bottles is polyethylene terephthalate, the abbreviation “PET”. Common mineral water bottles, soda bottles are made of this material. This material is plastic bottles heat up to 70 ℃, thermal deformation, and there are harmful substances melt out. After long-term use of the plastic bottles may release carcinogenic DEHP, it is not recommended for recycling.

The main component of “2” of plastic bottles for high-density polyethylene, the abbreviation
As “HDPE”. Common white bottles, cleaning bath supplies packaging bottles mostly made of this material, resistant to high temperature 110 ℃, but not thoroughly clean the growth of bacteria, it is recommended not to recycle.

The main component of “3” of polyvinyl chloride plastic bottles, the abbreviation “PVC”. The kinds of material plastic bottle rarely used in food and beverage packaging, plastics containing doses to be more than the average plastic bottle, you experience a high temperature or oil, the internal plasticizer will migrate to the drink into the body after may cause breast cancer, neonatal birth defects and other diseases, there is a higher risk of plasticizer.

The main component of “4” for low-density polyethylene plastic bottles, the English abbreviation for “LDPE”. Heat resistance is not strong, usually when the temperature exceeds 110 ℃ will melt and will leave some of the body can not break down the plastic formulations. Do not heat in a microwave oven when storing food and beverages.

The main component of “5” polypropylene plastic bottles, the abbreviation “PP”. Resistant to high temperature 130 ℃, which is the only place in microwave plastic boxes can be reused after careful cleaning.

The main component of “6” plastic bottles, polystyrene, the abbreviation “PS”. Although the heat, cold, but you can not put in a microwave oven, otherwise it will emit toxic substances. Also it can not be used to contain a strong acid (such as orange juice), strong alkaline substances, otherwise it will decompose harmful polystyrene.

“7” is the main component of polycarbonate plastic bottles and other categories, the abbreviation “PC”. Common water bottle, space cup, bottle, etc. are made with this material. Since bisphenol A is one of the materials constituting the PC, under certain conditions, PC plastic bottle of bisphenol A can be released, there is a certain risk.

Above is a common type of plastic bottles and material on the market, in accordance with relevant state regulations for the storage of food and beverage plastic bottle with clear plastic sign. Therefore, in order to reduce security risks, consumers in the purchase to pay attention to plastic bottle recycling triangle symbol, should try to choose PET, PE, PP material of plastic bottles, and in strict accordance with the prescribed conditions of use.

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