What is the "true body" of PP yarn?

The true body of PP yarn -- the raw material of polypropylene filament is polypropylene fiber.

PP yarn scientific name polypropylene fiber, near the flame that melting, flammable, from the fire burning slowly and black smoke, the upper end of the flame yellow, the lower end of the blue, exudes the smell of oil, after burning the ashes for hard round light yellow brown particles, hand twist fragile.

Ningbo Dazhong Chemical Fiber Industry Co., LTD. Long-term production and management: polypropylene filament, PP yarn, polypropylene FDY filament, polyester staple fiber, polypropylene full draft wire, polypropylene POY wire, polyester POY wire.