PP material properties and advantages:1. The relative density is small, only 0.89-0.91, which is one of th...How to tell if a plastic bottle can hold hot water?.......Why does the PP you get in your hand have a bad smell?....
PET Plastic is a strong, clear, plastic commonly used for food packaging, plastic bottles, and household containers.PET plastic bottle PET plastic bottle properties and advantages:Non-toxic ....