Polypropylene (PP), also known as Polypropene, is a thermoplastic polymer used in a wide variety of applications. It is produced via chain-growth polymerization from the monomer propylene. Polypropylene has a melting point of 160 °C and the fibre floats. Various forms of Polypropylene yarns are used to produce ropes such as Split film, Yarn construction, multifilament, and monofilament each type produces a rope with different properties and uses.