Polyester Staple Fiber (PSF) Overview

Polyester Staple Fiber (PSF) is the primary synthetic staple fiber utilized in the global textile industry. Produced via petrochemical polymerization, PSF offers exceptional mechanical strength, dimensional stability, and processability for spinning mills and non-woven manufacturing lines. Available in cut lengths from 32mm to 102mm and deniers ranging from 1.2D to 15D, PSF serves as a versatile alternative or blending partner for natural fibers such as cotton and wool.

Thanks to its resilience, chemical resistance, moisture management, and wrinkle recovery, PSF forms the foundational material for spun yarns, thermal bonding, geotextiles, carpet felts, and insulation layers.

Key Features & Product Highlights

• High Tenacity & Mechanical Strength: Engineered to withstand intensive carding and high-speed spinning operations without fiber breakage.
• Versatile Cut Lengths & Deniers: Available in 32mm, 38mm, 51mm, 64mm, and 102mm lengths tailored for Cotton, Woolen, and Non-Woven systems.
• Superior Crimp Uniformity: High crimp frequency ensures optimal fiber cohesion and interlocking during opening and carding stages.
• Excellent Color Fastness & Luster: Offered in Raw White, Semi-Dull, Super Bright, and Dope-Dyed color palettes.
• Environmental & Chemical Resilience: Highly resistant to mild acids, alkali solutions, mold, mildew, and UV radiation.

Primary Industrial Applications

• Yarn Spinning (Spun Yarns): Blended with cotton or viscose to manufacture Polyester-Cotton (P/C) and Polyester-Viscose (P/V) yarns, or 100% Polyester spun yarns.
• Non-Woven & Geotextiles: Thermal-bonded wadding, needle-punched carpets, filtration media, and civil engineering geotextiles.
• Carpet & Automotive Felts: Automotive trunk liners, floor mats, and industrial sound insulation layers.
• Stuffing & Padding: Heavy denier variants (6D - 15D) utilized in garment insulation, mattress padding, and upholstery.

Technical Specifications

Parameter	Specification & Range
Fiber Type	100% Polyester Staple Fiber (Virgin / Semi-Virgin)
Linear Density (Denier)	1.2D, 1.5D, 3.0D, 6.0D, 15.0D
Cut Length	32mm, 38mm, 51mm, 64mm, 102mm
Tenacity	≥ 5.5 g/denier (High Tenacity grade)
Crimp Frequency	12 - 18 crimps / inch
Cross-Section	Solid Round
Color Variants	Raw White, Optical White, Dope-Dyed Black & Colors
Packaging	Compressed Export Bales (Approx. 280 kg - 320 kg)

Wholesale Supply & Global Export

We supply export-quality Polyester Staple Fiber (PSF) compliant with international quality standards. Contact our international sales team for technical data sheets (TDS), certificates of analysis (COA), sample bales, and current pricing.