|Other names||Polypropylene; Polypropene;
Polipropene 25 [USAN];Propene polymers;
Propylene polymers; 1-Propene
|Density||0.855 g/cm3, amorphous
0.946 g/cm3, crystalline
130–171 °C (266–340 °F)
|Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)|
Polypropylene (PP), also known as polypropene is a type of fibre. It can either be a plastic or fabric. As a plastic it is opaque and often brightly colored. Sometimes it is very tough. But can also be very weak as well.
It is usually formed into a thin thread that is woven into a special strap that can be found on backpacks, bags, and other things.