Polyester staple fiber

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Product characteristics: Known for its excellent elasticity and wear resistance, it has good wrinkle resistance and easy care, as well as excellent chemical stability and good color fastness.

Application

One of the most common textile raw materials, it has a wide range of applications, including but not limited to home textiles, plush toys, thermal underwear, cotton clothes, cotton shoes, pet beds, sleeping bags, sofa fillings, mattresses, spray-bonded cotton, non-bonded cotton, clothing non-woven linings, needle-punched non-woven fabrics, automotive interiors, sound insulation panels, etc.

Product Segmentation

High strength low elongation polyester staple fiber – 0.9 dtex – 2.22 dtex
Ordinary cotton polyester fiber – 1.56 dtex – 3.33 dtex
Wool polyester staple fiber – 3 dtex – 33 dtex

Hollow three-dimensional crimped polyester staple fiber (with silicone) – 3.33 dtex – 16.67 dtex
Hollow three-dimensional crimped polyester staple fiber (silicon-free) – 3 dtex – 15 dtex

Product quality testing

Serial number	Test items	Unit	1.2dtex solid	6dtex solid	6dtex hollow (with silicon)	15dtex solid	15 dtex hollow (with silicon)
1	Tenacity at Break	cN/dtex	≧5.65-5.85	≧3.6-3.8	3.2±0.5	3.4±0.5	3.0±0.5
2	Break Elongation	%	M1±4.0-5.0	M1±7.0-9.0	45±5	45±5	45±5
3	Deviation of Titer	%	±3.0-4.0	±4.0-5.0	±16	±14	±14
4	Deviation of Length	%	±3.0-6.0	-----	±10	±8	±8
5	Over Length Fibers	%	≤.0.5-1.0	-----	-----	-----	-----
6	Over Length Fiber Content	Mg/100g	≤2.0-3.0	≤5.0-15.0	≤80	≤50	≤80
7	Fuse Fiber	Mg/100g	≤2.0-6.0	≤5.0-15.0	≤150	≤150	≤150
8	Crimp Number	n/25mm	M2±2.5	M2±2.5	12±5	12±4	12±4
9	Crimp Ratio	%	M3 ±2.5	M3 ±2.5	20±3	20±3	20±3
10	Hollow Ratio	%	------	------	≥20	≥20	≥22
11	oil content	%	0.15±0.04	0.15±0.04	≥0.35	0.15±0.04	≥0.35
12	V1(Bounce)	cm3/g	------	------	≥125	≥130	≥122
13	V2(Bounce)	cm3/g	------	------	≥48	≥45	≥53
14	V3(Bounce)	cm3/g	------	------	≥125	≥120	≥125
15	180℃ Dry Hot Shrinkage Rate	%	M4±2.0%	≤5.5	------	≤5.5	------
16	Specific Resistance	Ω,cm≤	M5x108	M5x108	------	M5x108	------
17	10% Elongation Strength(cN/dtex)	%	0.15±0.04	------	------	------	------
18	Strength Variable Coefficient	%	≤10	------	------	------	------

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