Flame Retardant Dyed 100% Viscose Staple Virgin Fiber for Spinning and Non-Woven

Product Description

VSF BRIGHT(1.2D*32/38/44/51MM) SPECIFICAIONS

Item	Unit	Spec	| Average spec.of our company
Dry breaking strength	CN/dtex	≥2.15	2.40
Wet breaking strength	CN/dtex	≥1.20	1.24
Dry breaking elongation	%	19±2.0	21.1
Deviation of liner density	%	±4.00	-1.28
Deviation of length	%	±6.0	-2.1
Over cut fiber	%	≥0.5	0.3
Over/double length fiber	mg/100g	≤4.0	2.6
Residual sulphur content	mg/100g	≤12.0	5.9
Spinning fault	mg/100g	≤4.0	1.3
Oil stain yellow fiber	mg/100g	≤0.0	0
Dry strength coefficient of variation(CV)	%	≤18.0	8.9
Whiteness degree	%	65±3.0	91.3
Finish	%	0.25-0.35	0.34
Titer	Dtex	1.28-1.38	1.31
Staple length (38MM)	nun	35.8-40.2	37.2

VSF SEMI-DULL (1.5D*38MM) SPECIFICATIONS

Item	Unit	SPEC	AVERAGE SPEC .OF OUR COMPANY
Dry breaking strength	CN/dtex	≥2.10	2.33
Wet breaking strength	CN/dtex	≥1.00	1.25
Dry breaking elongation	%	20±2.0	21.8
Deviation of liner density	%	±4.00	-1.20
Deviation of length	%	±7.0	-0.3
Over cut fiber	%	≤1.0	0.3
Over/double length fiber	mg/100g	≤4.0	2.4
Residual sulphur content	mg/100g	≤8.0	5.9
Spinning fault	mg/100g	≤3.0	0.6
Oil stain yellow fiber	mg/100g	≤0.0	0
Dry strength coefficient of variation(CV)	%	≤18.0	8.1
Whiteness degree	%	89±1.0	92.4
Finish	%	0.05-0.15	0.13
Titer	Dtex	1.61-1.73	1.65
Staple length	mm	35.4-40.6	37.9

Viscose fiber is one of the earliest cellulose fibers put into industrial production. Due to its good moisture absorption, comfortable wearing, and excellent spinnability, it is often mixed and interwoven with cotton, wool, or various synthetic fibers, and used in various clothing and decorative textiles. High strength viscose fibers can also be used in industrial products such as tire cords and conveyor belts.
DOPE-DYED VSF
Adopt the basic solution, before weaving, the water base colorant and the viscose solution are regularly mixed with the static mixer. Then the dope-dyed viscose staple fiber is shaped after the acid bath and the processing. The color can be maintained for a long time, it won't fade in the regular environment and it washes well and bears friction and sunshine well, too.
DOPE-DYED VSF SPECIFICATIONS

COLOR	SPECIFICATION
BLACK	1.2/1.5/3.0D*38MM/51
YELLOW	L5/2.0D*38/51MM
ROSE RED	1.5D*51MM
NAVY BLUE	L5D*51MM
WAITER BULE	L5D*51MM
PINK	L5D*51MM
ORANGE	1.5D*51MM
GREEN	L5D*51MM

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