Polyester Yarn · Flat Filament Grade

FDYFully Drawn
Yarn

High-tenacity flat polyester filament for direct use in weaving and warp knitting. Superior dimensional stability, uniform luster, and excellent dye uptake. Available in standard, cationic dyeable, and microfiber grades.

Denier Range
40–600D
Tenacity
4.0–5.5 g/d
MOQ
500 kg
Key Properties
Tenacity4.0–5.5 g/den
Elongation25–35%
Moisture Regain0.4%
Melting Point255–260°C
Lead Time10–14 days
BrightSemi-DullFull DullCationic DyeableMicrofiber
FDY vs DTY vs POY
TenacityFDY highest (5.5 g/d)
Bulk/CrimpNone – flat filament
Direct WeavingYes
Warp KnittingYes
40–600D
Denier Range
4.0–5.5
Tenacity (g/den)
25–35%
Elongation at Break
500 kg
MOQ
10–14 Days
Lead Time

Specifications

Full FDY Specification Sheet

ParameterStandard GradeCationic Dyeable (CD)Microfiber Grade
Denier Range40D–600D50D–300D40D–150D
Filament Count24f–288f24f–144f48f–288f
Single Filament dpf0.5–3.0 dpf0.8–2.5 dpf0.1–0.5 dpf
Tenacity4.0–5.5 g/den3.8–5.0 g/den3.5–4.5 g/den
Elongation25–35%28–38%20–30%
LusterBright / SD / FDSemi-Dull / FDFull Dull / SD
Dye AffinityDisperse dyeCationic dye at low tempDisperse dye
MOQ500 kg500 kg500 kg
Lead Time10–14 days14–21 days14–21 days

Applications

End Use Applications

🧵

Woven Fabrics

Warp and weft yarn for taffeta, satin, chiffon and georgette woven fabrics.

Bright/SD · 50D–300D
🪡

Warp Knitting

Tricot and raschel warp knitting for lingerie, sportswear and technical fabrics.

SD/FD · 40D–150D
🎨

Cationic Dyeable

Two-tone fabric effects at atmospheric pressure dyeing — lower energy consumption.

CD grade · 50D–200D
🌸

Microfiber Fabrics

Ultra-fine microfiber for peach-skin, suede-feel and cleaning cloth applications.

Microfiber · 40D–100D
🏃

Performance Sportswear

High-tenacity flat FDY for performance woven sportswear with dimensional stability.

FD · 75D–150D
🏠

Home Furnishings

Curtain, upholstery and bedding woven fabrics using heavy denier FDY.

SD · 150D–600D

Source FDY from India

Competitive pricing from Surat and Bhilwara FDY mills. Cationic and microfiber grades available. Full documentation and fast sampling.

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