Plastic bottles and other plastic products exist shelf life one said?

Interviews related experts learned that beverage bottles, mineral water bottles and other plastic bottles reuse cancer-causing claims have no scientific basis, but if the long-term reuse of plastic bottles may have hidden dangers.

And for the mother relationship bottle, the same, plastic bottle also has a shelf life, when using also need to pay attention to many problems.

In some large supermarkets, plastic bottles in addition to infants and young children with bottles more than 90% marked production date and shelf life, household plastic bottles have only 40% of the production date. Whether it's plastic water cups or plastic containers, there are very few production dates and shelf life. Plastic products are made of different resin materials and release toxic substances under different temperatures, humidity and so on. The staff of the Quality Supervision Bureau said that there are no uniform relevant standards at present, only industry standards.

Some bottles produced abroad, although marked shelf life of 10 years, but after repeated use, especially after high temperature heating, will release the toxic substance bpex A, so when using as much as possible do not heat, do not directly in the sun. At present, China uses triangular symbol as a plastic recycling mark, which can remind consumers from the material to use it correctly. At the bottom of the plastic bottle there is a triangle with a number of 1-7, each representing a different material, indicating what kind of resin the product is made of. Such as for the manufacture of bottles, space cups and other plastic products containing PC ingredients are labeled as "7", mineral water bottles, carbonated beverage bottles and so on more marked as "1".