What is PP milk bottle and what is the difference between PP milk bottle and PPSU milk bottle?

1, PP milk bottle is made of polypropylene, PPSU milk bottle is made of polyphenylsulfone resin.

2,, PP milk bottles are characterized by lighter, drop-resistant, and its price is relatively low, is more common on the market, the cost-effective milk bottle types.PPSU this material is more resistant to high temperatures relative to PP milk bottles, and its hardness, transparency is better than the PP milk bottles, so it is also more expensive.