Polyester POY is a pre-oriented polyester yarn that needs to be stretched and deformed by a stretcher to produce polyester DTY. It has a wide range of uses in textiles, and POY is not directly used for weaving. The POY here is distinguished by the spinning process, such as nylon POY.
Polyester is an important variety of synthetic fibers and is the trade name for polyester fibers in China. It is a fiber-forming polymer, polyethylene terephthalate (PET), which is made from purified terephthalic acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (EG) through esterification or transesterification and polycondensation and is spun and post-treated.
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