Scope and characteristics of plastics No. 7
Plastic No. 7 represents polycarbonate (PC), other plastic products. PC is a widely used material, especially for bottles and space cups, which is controversial because it contains bisphenol A. Experts point out that, in theory, as long as the process of making PC, bisphenol A percent into plastic structure, it means that the product is not bisphenol A, let alone release. However, if a small amount of bisphenol A is not converted into a plastic structure of PC, it may be released into the food or drink.
Pay special attention to the use of this plastic container. Bisphenol A residues in PC, the higher the temperature, the faster speed of release. Therefore, hot water should not be used in PC bottles. If your kettle number is 07, the following methods can reduce the risk: do not heat when using, do not direct in the sun. Don't use a dishwasher and a bowl machine to clean the kettle. Before using for the first time, rinse with baking soda and warm water and dry naturally at room temperature. If the container has any falls or breakage, it is recommended not to use it because the surface of the plastic is prone to contain bacteria if there are fine pits. Avoid repeated use of aged plastic appliances
In order to facilitate the recycling of waste plastic products, the bottom of plastic products is marked with number 1-7, which is used to represent different plastics.
