Soluble Polyvinyl Alcohol Staple Fiber
Process
: The product is manufactured from polyvinyl alcohol by dissolving, solution spinning and finishing .
Physical properties: High tenacity, good wear resistance, corrosion-resistance and light fastness, and can be dissolved in hot water (<90 0C).
Grade
: 1.4 – 2.0 dtex
Standard:
Q/SH012.05.04. – 1997 Enterprise Standard| No. |
Item |
Index |
Text method |
||
|
Premium-grade |
1st-grade |
2nd-grade |
|||
|
1 |
Linear density deviation, dtex |
+ 0.1 |
+ 0.2 |
+ 0.3 |
GB/T14335-93 |
|
2 |
Length deviaiton, mm |
+ 1.5 |
+ 2.0 |
+ 2.5 |
GB/T14336-93 |
|
3 |
Dry breaking tenacity CN/dtex |
> 4.2 |
> 4.2 |
> 3.8 |
GB/T14337-93 |
|
4 |
Dry breaking elongation, % |
M1+3 |
M1+5 |
M1+6 |
GB/T14337-93 |
|
5 |
Wet breaking tenacity CN/dtex |
> 3.3 |
> 3.3 |
> 2.8 |
GB/T14337-93 |
|
6 |
Whiteness, % |
> 70 |
> 70 |
> 70 |
GB/T1446293-Appedix C(Annex) |
|
7 |
Solvent temperature 0C |
< M2 |
< M2 |
< M2 |
Q/SH12.05.06-1997 |
|
8 |
Quantity of nonsolution at 95 0C,% |
< 0.5 |
< 0.5 |
< 0.5 |
Q/SH12.05.06-1997 |
|
9 |
Oil content,% |
M3+0.15 |
M3+0.20 |
M3+0.25 |
GB/T 14340 |
|
10 |
Abnormal fibre,mg/100g |
< 15 |
- |
- |
GB/T 14339-93 |
|
Note: M1 is selected within the scope of 25 – 31, M2 is selected between the scope of 80 – 90, M3 is selected within the scope of 0.30 – 0.35, and once selected they are not to be changed. |
|||||
Major applications
: Widely used for multiple-purpose nonwoven fabrics, paper making, chemical embroidery and blend spin into high count yarn.Packing: 200 kg net each in PP woven bags with plastic coating tightened with 4 strips of packing belts.
Dimension
: 1020mmx800mmx600mm
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