Polypropylene retains its mechanical and electrical properties at elevated temperatures. This occurs in humid conditions and when submerged in water. It is also a water-repellent plastic?. Many forms ...

Polypropylene (PP) is a thermoplastic that has a number of properties that sets it apart from other thermoplastics which see common use with 3D printing, including PLA, ABS and nylon (PA).

Ultra-fine polypropylene fibres are useful for manufacturing sportswear because of their light weight, strength, softness, colourfastness, and thermal insulation properties. “However ...