Low price FDY polyester yarn on sales
Time:
2023-03-24 11:39
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Low price FDY polyester yarn on sales tells you that polyester, as a common fiber in textiles, has always been one of the hottest categories in the fabric market. Low price FDY polyester yarn on sales tells you that there are many types of polyester fabrics on the market, but do you really understand it?
1. "What is polyester?" Low price FDY polyester yarn on sales tells you that polyester is an important variety in synthetic fibers and is the trade name of polyester fibers in my country. It is a fiber-forming high polymer prepared from purified terephthalic acid (PTA) or dimethyl terephthalate (DMT) and ethylene glycol (EG) through esterification or transesterification and polycondensation reactions - Polyethylene terephthalate (PET), fibers made by spinning and post-processing.
2. "Types of polyester filament yarn": Low price FDY polyester yarn on sales tells you that there are as-spun yarns: undrawn yarn (conventional spinning) (UDY), semi-pre-oriented yarn (medium-speed spinning) (MOY), Pre-oriented yarn (high-speed spinning) (POY), highly oriented yarn (ultra-high-speed spinning) (HOY). Drawn yarn: drawn yarn (low-speed drawn yarn) (DY), fully drawn yarn (spinning and drawing one-step method) (FDY), and fully drawn yarn (spinning one-step method) (FOY). Textured yarn: regular textured yarn (DY), stretch textured yarn (DTY), air textured yarn (ATY).
3. "How to identify POY and FDY?" Low price FDY polyester yarn on sales tells you that you can pull it by hand. Generally, POY can be pulled longer, and FDY can be pulled less. Because POY is a pre-oriented yarn, it is not fully stretched, and the remaining elongation must be more than 50%; while FDY is a fully oriented yarn, the remaining elongation is generally below 40%, which is relatively stable.
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