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Product Name: Polyvinyl Alcohol  
Trade Mark: Sanren Brand  
Alternative Name: ?  
Molecular formula/Structural Formula:
Production Process: Polyvinyl alcohol is produced from vinyl acetate by polymerization and low-alkali-alcoholysis.  
Properties: Polyvinyl alcohol is a water soluble high-molecular compound, not soluble in ordinary organic solvents. It is a white solid in the form of flakes, with excellent tensile stress, mouldability, impact strength, wear resistance and excellent electrical insulation.  
Grade: 1899  
National Standard Grade: ?  
Enterprise Standard Grade: ?  
Specifications:

Q/SH012.05.07-1998 (Enterprise standard)

No.

Item

Specification

Testing Method

1st-grade

up to-grade

1

Volatiles, % <=

9.0

9.0

GB 12010.4

2

Sodium hydroxide, % <=

0.3

0.3

GB 12010.11

3

Alcoholysis (degree) %(m/m)

99.0(+-1.0)

99.0(+-1.0)

GB 12010.5

4

Sodium acetate, % <=

2.3

2.5

GB 12010.6

5

Purity, % >=

90

90

GB 7351 4.5

6

Transparency, % >=

90

90

GB 7351 4.6

7

Average polymerization

1850(+-80)

1850(+-120)

GB 12010.9

 
Scope of Application: ?  
Major Applications: 燯sed as raw material to produce coating material and adhesives etc., also to produce pulp finishing agent, soil ameliorator, film and polyvinyl butyral etc. 
Process Method: ?  
Packing: 25 KG net in PP woven bag lined with plastic bag.  
Packing Size: ?  
Storage: Stored in cool, dry, ventilated warehouse according to lot no. grade and different specification, equipped with fire-fighting facilities.  
Transportation: Suitable for rail, road and sea transportation, keep dry.  
Safety Precautions: 1. keep away from open fire and heat source
2. not to be stored together with acid, alkalis, wet articles, oxides and sodium metal
3. handle with care.
 
SPC

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