Characteristics of PP plastic material: 1, colorless, tasteless, non-toxic. 2, the appearance is white waxy, but transparent than PE. 3, low density: 0.9-0.91 grams/cubic meter, is one of the lightest plastics. 4, has a particularly high bending fatigue strength - 100 fold glue. 5, good heat resistance (120ºC). 6. Good boiling water and steam resistance (high pressure disinfection products). 7. It is easy to age under the action of heat, oxygen and light.