Second Quality Polypropylene yarn and Polyester yarn, We sell second quality yarn in optional denier.
Polypropylene, especially textile; It is a thermoplastic polymer with a wide range of uses, from parts used in the automotive industry to the production of kitchenware and food packaging.
(Chemical formula of polypropylene: (C3H6)n, density: 946 kg/m³, melting temperature is 160 °C, it is known as polypropylene (PP), or polypropene). It was discovered by Italian scientist Giulio Natta (1903-1979) and German scientist Karl Ziegler (1898-1973) as a result of their efforts to develop polyethylene in 1954. .