Like polyethylene, polypropylene is also a typical polyolefin polymer. Polypropylene and polyethylene have many similarities, such as non-toxic, odorless, tasteless, reliable hygienic performance; acid, alkali, salt and various chemicals, stable performance;

The heat resistance of polypropylene is far superior to that of polyethylene, and it can withstand high temperatures above 120 degrees. The polypropylene film used to package food can even withstand high temperature cooking above 140 degree .