how to buy pp material

1. Raw materials PP products are generally made of PP materials, but many declared PP materials are not pure PP, so pay attention when purchasing. 2. Appearance Good pp materials are generally transparent or translucent, with a shiny appearance, beautiful design, and no burrs, which can be seen from the appearance. 3. Persistence Good pp material has very high heat resistance, will not deform in high temperature water, and can even be sterilized in boiling water. In addition, the impact resistance of the pp material is also very high, and it is not easy to crack under heavy pressure or impact, leaving no scratches.