1 and pp05 are made of polypropylene plastic, where pp refers to its English code and 05 refers to the code of the material.
2.
1 and pp05 are made of polypropylene plastic, where pp refers to its English code and 05 refers to the code of the material.
2. Polypropylene plastic has the characteristics of non-toxic, tasteless and strong bending resistance. Its melting point is 173℃, and it can withstand the high temperature of 130℃.
3. Therefore, it is often used to make water cups, pots, barrels, woven bags and other products in our life, which is not only firm in quality, but also safe and environmentally friendly.