Polypropylene (PP)
nature
Very light bai plastic, density is only 0.9g/cm3
No need to preheat and dry
advantage
1. Easy to dye
2. Good moisture resistance
3. Good chemical resistance
4. High hinge characteristics
5. Impact resistance
Disadvantage
1. It is not easy to extrude complex aliens
2. Easily decomposed by ultraviolet rays
3. Not easy to join
4. Easy to oxidize
use
Water pipes, film, tape, wire shielding materials, containers, car bumpers, dashboards, hinges
Co-polypropylene is a polymer obtained by copolymerizing propylene and other small molecules as monomers. Generally, propylene/ethylene copolymerization is the main method, which can improve the toughness of PP.