Polyester POY Yarns Manufacturers

• DTY Semidull Color Card
• FDY Color Card
• Pary Rug Yarn Color Card 1
• Pary Rug Yarn Color Card 2

In order to guarantee the quality of products, we actively introduce advanced technology and equipment at home and abroad, ongoing technological transformation and innovation, improve the level of production. Up to now, the group has owned the production equipment which were introduced from the developed countries such as Germany and domestic well-known companies ,and owned a complete set of production line matched with the equipment , leading to annual output of 120,000 tons of spinning and draw texturing . The group has imported the ISO9000 quality certification system, and established a mature system of quality management . Excellent quality always comes from sophisticated equipment and excellent management. More than 80% of the key production equipments in the group are introduced from Germany and domestic famous enterprises, reaching the international first-class equipment level.

Frequently Asked Questions

What is the difference between POY and FDY?

POY (Partially Oriented Yarn) has lower molecular orientation and higher residual elongation compared to FDY (Fully Drawn Yarn). POY requires further drawing or draw-texturing before use in fabric production, whereas FDY is fully drawn during spinning and can be used directly in weaving or warp-knitting. POY offers greater flexibility for downstream processing into textured yarns.

Can POY be used directly in weaving or knitting without further processing?

POY is not recommended for direct fabric production. Its high elongation and low tenacity make it unsuitable for direct weaving or knitting. It is designed as an intermediate product to be converted into DTY or FDY through downstream processing operations before fabric manufacturing.

What causes dyeing streaks in DTY fabrics made from POY?

Dyeing streaks in DTY fabrics often trace back to POY quality issues, including elongation variation between packages, OPU inconsistency, or birefringence variation. These variations cause uneven draw ratios during texturing, resulting in filaments with different dye uptake rates. Sourcing POY with tight parameter tolerances reduces the incidence of dyeing defects in finished fabrics.

What is rPOY and what certifications are available?

rPOY is Recycled POY, produced from post-consumer or post-industrial recycled PET (rPET) chips rather than virgin polymer. It carries the same processability characteristics as conventional POY and is available with GRS (Global Recycled Standard) certification to support customers' sustainability claims and eco-label requirements.

How should POY packages be handled to prevent damage during transport?

Packages should be transported in upright position or as specified on the carton to prevent deformation of the winding. Impact and compression during transit can cause hard edges, ribbon formation, or cone damage, all of which affect unwinding tension on texturing machines. Pallets should be stretch-wrapped and corner-protected to prevent package-to-package abrasion.

Application Scenarios

Draw Texturing (DTY Production)

The primary downstream application for POY is conversion into DTY via false-twist draw-texturing machines. The residual draw potential in POY is utilized during this process to simultaneously draw and texturize the filament, producing a crimped, bulked yarn suitable for knitted and woven fabric production. POY feed quality directly impacts DTY uniformity, dye levelness, and fabric appearance.

Fully Drawn Yarn (FDY) Production

POY can also be used as feed yarn for spin-draw processes to produce FDY, where the draw stage is performed separately. FDY produced from POY is used in warp-knitting, weaving, and high-tenacity fabric applications.

End-Use Fabric Applications

• Apparel Fabrics: Outerwear, sportswear, lingerie, and lining fabrics processed through DTY conversion.
• Home Textiles: Upholstery, curtain fabrics, bedding, and decorative textiles.
• Automotive Textiles: Seat fabrics and interior lining materials requiring consistent filament properties.
• Technical Textiles: Filtration, geotextile, and industrial applications using specialty POY variants.
• Sustainable Textile Products: Eco-label and recycled content products using rPOY as the raw material base.

Processing Guidelines & Handling Notes

Storage Conditions

• Store in a dry, temperature-stable environment. Recommended temperature: 15–30°C; relative humidity: 50–70%.
• Avoid direct sunlight and UV exposure, which can degrade polymer chains and affect downstream processing performance.
• Keep packages sealed in original packaging until use to prevent contamination from airborne particles or moisture.
• Maintain FIFO (first-in, first-out) stock rotation to prevent aging-related changes in elongation and OPU levels.

Texturing Machine Compatibility

• POY elongation specification should be matched to the draw ratio setting of the texturing machine to avoid over-drawing or under-drawing defects.
• OPU (oil pick-up) level affects friction characteristics on the texturing spindle; verify compatibility with machine-specific friction disc sets.
• Yarn path tension should be calibrated when switching between denier ranges to avoid package-related tension inconsistencies.

Quality Inspection Points

• Elongation at Break (EAB): Consistent EAB is the primary quality indicator for POY suitability in DTY conversion; out-of-spec EAB leads to uneven texturing and dyeing defects.
• Uster CV%: Linear density uniformity (Uster CV%) reflects spinning process stability and correlates with fabric appearance uniformity after processing.
• OPU Consistency: Variation in OPU across packages causes friction differences on the texturing machine, leading to yarn breakage or uneven crimp.
• Package Hardness: Package winding hardness should be verified on receipt; excessively hard packages can cause tension spikes during unwinding.