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Product Name: Polyvinyl Alcohol Staple Fiber  
Trade Mark: Sanren Brand  
Alternative Name: ?  
Molecular formula/Structural Formula:
Production Process: The product is manufactured from polyvinyl alcohol, by dissolving, solution spinning and formalization treatment process.  
Properties: Good hytroscopicity which is close to cotton, high tenacity, good wear resistance, also good corrosion resisting and light fastness.  
Grade: 1.56dtex?8mm  
National Standard Grade: ?  
Enterprise Standard Grade: ?  
Specifications:

Standard: GB/T14462-93 National Standard

No.

Item

Index

Test Method

premium-grade

1st-grade

2nd-grade

1

linear density deviation %

+-5

+-5

+-6

GB/T14335

2

length deviation %

+-4

+-4

+-6

GB/T14336

3

dry breaking tenacity CN/dtex

>=4.4

>=4.4

>=4.2

GB/T14337

4

dry breaking elongation, %

17(+-2.0)

17(+-3.0)

17(+-4.0)

GB/T14337

5

wet breaking tenacity CN/dtex

>=3.4

>=3.4

>=3.3

GB/T14337

6

formalization, mol %

33(+-2.0)

33(+-2.0)

33(+-3.5)

refer to appendix B(Annex)

7

softening temperature in water, ℃

>=115

>=113

>=112

refer to appendix A(Annex)

8

abnormal fiber mg/100g

<=2.0

<=8.0

<=15.0

GB/T14339

9

number of crimps no./25mm

>=3.5

--

GB/T14338

 
Scope of Application: ?  
Major Applications: It is used for unmixed spinning or blend spinning with other chemical fibres or cotton, it can also be used to produce canvas, tarpaulins, filter cloth, decorating cloth, towel base fabric, geotectile, fishing net, and mooring rope, etc. 
Process Method: ?  
Packing: 200kg net each in PP woven bags tightened with five strips of baling belt.  
Packing Size: 1020mm?00mm?00mm  
Storage: Separately stored in dry, cool, ventilated warehouse equipped with fire-fighting facilities according to different types, grades and lot no.  
Transportation: Products with rainproof are suitable for rail, road and sea transportaion.  
Safety Precautions: 1.Keep away from fire.
2.Can not be transported or stored together with chemicals of oils, acids and alkali and wet articles.
3.Handle gently when loading and unloading.
4.Proper measures should be taken to avoid damages to packing belts during hoisting.  
SPC

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