What are the specifications of polyester filaments

Update:20 Apr 2018

What are the specifications of polyester filaments? Pol […]

What are the specifications of polyester filaments? Polyester filament can be generally divided into POY (pre-oriented silk) FDY (all-drawing wire) DTY (low-elastic wire) and other three categories.

POY is mainly used in post-processing production such as production of DTY, DT, ATY, can also be directly applied to the silk textile industry;FDY is mainly used in clothing and textile industry.

DTY is an ideal raw material for knitting (weft knitting, warp knitting) or woven processing. It is suitable for making apparel fabrics (such as suits and shirts), beddings (such as bedding, bed covers, mosquito nets) and decorative items (such as curtain fabrics and sofa fabrics). , wall coverings, automotive interior fabrics, etc. Among them, fine denier (especially three-leaf shaped silk) is more suitable for imitating silk fabrics, medium denier fabrics can be made of imitated wool fabrics.

The POY, FDY and DTY production processes are as follows:

POY generally has two kinds, one is used directly for weaving, one is used for bombing, after processing becomes DTY, specifications generally have 50D, 75D, 100D, 150D and so on.
FDY is generally used directly for weaving or warp knitting. The specifications are generally 50D, 68D, 75D, 100D, 150D, 200D, etc. DTY is generally used directly for weaving, and the specifications generally range from 75D to 300D.