The English name of PP: Polypropelene, which means polypropylene plastic.
Polypropylene is one of the most widely used and fastest developing resins in the world, which has the advantages of rich raw materials, light weight, excellent performance-price ratio, excellent heat resistance, chemical corrosion resistance and easy recycling.
Pp material is a very common plastic and can be made into various plastic packages. Moreover, this pp material is safe and non-toxic, and the most important thing is that it has very good high temperature resistance. The only disadvantage is that it can't be heated by microwave oven, and it can also be stored in refrigerator, so it is widely used.
Extended data:
Food-grade PP plastic can be made into any plastic packaging for food, such as plastic bags, plastic boxes and straws for food. Safe and non-toxic, with good low temperature resistance and high temperature resistance.
The difference between food grade pp and industrial grade pp lies in:
1. Food-grade PP will not dissolve harmful substances at normal temperature and high temperature.
2. Industrial grade PP will dissolve out harmful substances at normal temperature or high temperature, which is harmful to human health. Some of them have a strong smell when used in food containers.
Baidu encyclopedia -pp
Baidu encyclopedia-edible PP plastic bowl
Baidu encyclopedia-polypropylene