Is the polypropylene cup safe?

Polypropylene (PP) cups are generally considered to be safe. Polypropylene is a kind of polymer, which is non-toxic, tasteless and non-irritating, and will not cause harm to human body. It also has excellent chemical corrosion resistance and mechanical strength, so it will not release toxins and harmful substances during use. Polypropylene cups are not only suitable for cold water, but also suitable for hot water, and can even be heated by microwave oven. However, there are still some points to pay attention to when using polypropylene cups. For example, don't use it in high temperature environment to avoid deformation and possible health risks; Overheated water or organic solvent should not be used for cleaning to avoid damaging materials; Drinks should not be stored for a long time to prevent bacteria from growing.