... experiec 1. PP for crystallization type polymer, commonly used plastic in PP most light, density of just 0.91 g ... have high bending fatigue life, commonly known as the "fold plastic". 4. PP comprehensive performance than the PE material. PP ... : Bureau veritas ISO 9001:2008 Certification passed : DongGuangHongHao Materials available: Plastic--ABS, PC, PV, PP,PMMA, POM, PA(NYLON), RUBBER, SiliconeMetal ...