Virgin Polyester Staple Fiber

Virgin Polyester Staple Fiber (PSF) is a high-quality synthetic fiber produced from pure, virgin polyester raw materials, ensuring superior consistency, strength, and cleanliness compared to recycled alternatives. Engineered for performance and versatility, this fiber is widely used across textile, nonwoven, and industrial applications.

With a fine denier of 1.33 dtex and a standard cut length of 38 mm, it offers excellent spinnability and uniform blending in yarn production. Its semi-dull appearance provides a natural, soft aesthetic, making it ideal for applications where both performance and visual appeal matter.

This fiber demonstrates strong mechanical properties, including high tenacity and controlled elongation, ensuring durability and resilience in end products. Its optimized crimp structure enhances cohesion, bulk, and insulation properties, while low defect levels and minimal over-length fibers contribute to consistent processing performance.

Additionally, the material maintains stability under high temperatures, with controlled shrinkage in hot air conditions, and features low oil pick-up and moisture content for efficient handling and storage.

Product Description:

Key Benefits:

  • High strength and durability
  • Excellent uniformity and cleanliness
  • Reliable processing performance
  • Soft, semi-dull finish
  • Suitable for spinning, filling, and nonwoven applications

Material Specification:

Material Virgin Polyester Staple Fiber
Thickness of the fiber 1.33 dtex
Length of the fiber 38mm
Appearance of the fiber Semi-Dull
Place of Origin China
Brand Name Nanoforge

Quality definitions:

ITEM UNIT VALUE
THIN DEGREE dtex 1,33
Deviation of Titer % -0,8
Tenacity at Break cN/dtex 6,05
Tenacity at 10% Elongation cN/dtex 4,55
Elongation at Break % 26,7
Crimp Number /25 mm 10,8
Crimp Removal % 11,2
Over Length Fiber % 0,3
Multiple Length Fiber mg/100 g 0,4
Defects mg/100 g 0,3
Shrinkage in Hot Dry Air 180°C % 5,1
Electricity Resistance S·cm 1.4 × 10⁷
Oil Pick-Up % 0,15
Humidity % 0,47

 

Application:

Spun yarns for textiles and fabrics, nonwoven fabrics for filtration, hygiene and geotextiles, fiberfill for pillows, cushions and quilts, automotive interiors and insulation layers, home furnishings and upholstery, carpet and rug manufacturing, acoustic and low-temperature thermal insulation, industrial wipes and cleaning materials, padding and stuffing for toys and soft goods, blended yarns with cotton, viscose or other fibers.