Polyvinyl Alcohol

Polyvinyl alcohol is a white solid, and its appearance is divided into flocculent, granular, and powdery; it is non-toxic, tasteless, and pollution-free, and can be dissolved in water at 80-90°C. Its aqueous solution has good adhesion and film-forming properties; it can withstand most organic solvents such as oils, lubricants and hydrocarbons,has chemical properties such as esterification, etherification and acetalization of long-chain polyols.
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Product Details

 

Product name
Polyvinyl alcohol / PVOH/PVA 
Molecular Formula:  
[C2H4O]n
Molecular Weight:   
 44.05 (monomer)
CAS No.:  
9002-89-5 (monomer)


Description  

Polyvinyl alcohol is a white flake, floc or powdery solid, tasteless. It is soluble in water (above 95°C), slightly soluble in dimethyl sulfoxide, insoluble in gasoline, kerosene, vegetable oil, benzene, toluene, dichloroethane, carbon tetrachloride, acetone, ethyl acetate, methanol, ethylene, etc.

 

Application

Polyvinyl alcohol is an important chemical raw material for the manufacture of polyvinyl acetals, gasoline resistant pipes and vinylon synthetic fibers, fabric treatment agents, emulsifiers, paper coatings, adhesives, glues, and the like.

 

Product Standard

PVA Type (L)
Hydrolysis Degree 
Sodium Acetate
Volatile
Ash  
PH
Viscosity

% (mol/mol)% MAX% MAX% MAXValue
(cps.)
4-99
98.0-99.0
3
5
0.7
5--7
4-5
5-99
98.0-99.0
3
5
0.7
5--7
5-6
8-99
99.8-100
3
5
0.7
5--7 
8-12
17-99
99.8-100
2.5
5
0.7
5--7
28-32
24-99
99.8-100
2.5
5
0.7 
5--7
50-60
26-99
99.8-100
2.5
5
0.7
5--7
60-70
14-9290.0-94.02.50.75--713-17
17-9290.0-94.02.50.75--728-32
17-9898.0-99.02.50.75--728-32
5-8886.0-90.030.75--75-6
17-8886.0-90.02.50.75--720-28
20-8886.0-90.02.50.75--728-35
24-8886.0-90.0
2.5
5
0.7
5--7
40-50
Remark: Viscosity tested by brookfield viscometer at 4% PVA Solution, 20°C.

                                               

Packing

In 20kgs or 25kgs PP bag or paper bag. 

Or 500kgs/800kgs/1000kgs big bag on pallets.

 

Storage

Store in tightly closed original container, protected from light, in a dry place.

 

Minimum Order

500kgs

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