The plastic grade of the famous Tupperware Cai Ying series cups is Grade 7. Is it safe?

The water cup with a cup height of 7 is made of polycarbonate, which is PC. In the production of PC raw materials, a substance called bisphenol A is used. In PC materials, bisphenol A monomer exists more or less. The higher the temperature, the more release and the faster the speed.

The general plastic cup made of PC can withstand the temperature of -30- 140 degrees, which is the physical property of the material. This only shows that this material will not crack and melt when used at this temperature, but this is not from the perspective of food safety. The precipitation of bisphenol A monomer at high temperature is harmful to the body, and it has been reported that it will affect male sexual function. In Canada and other western countries, it has been forbidden to use PC materials to make water cups and baby bottles. During the safety period, it is best not to put hot water in a cup made of PC, let alone heat it in a microwave oven.

Tupperware Cai Ying series cups are colored, which means that color masterbatch is added during plastic processing. It is recommended to use this kind of cup as little as possible.

To sum up the above points, PC plastic cups should be colorless and hot water should not be used.