Sợi polyester có màu / thuốc phiện

64mm Đen Dope nhuộm tái chế không siliconized Dope nhuộm sợi viscose

15D×64mm Black Dope Dyed Recycled Non siliconized Polyester Staple Fiber Definition: Polyester Staple Fiber (PSF) is a synthetic human man-made fiber which is made directly by a continuous polymerization process of polyester material for instance Purified Terephthalic Acid (PTA) and Mono Ethylene Glycol (MEG) under high temperature and pressure setting. Catalysts are used in the process that controls the reaction process. Or Polyethylene Terephthalate Chips (PET Chips) ,