| Customization: | Available |
|---|---|
| CAS No.: | 9002-89-5 |
| Formula: | C2h4o |
|
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Polyvinyl alcohol (PVA)
English name polyvinyl alcohol,vinylalcohol polymer
Chemical formula: [C2H4O]n
Molecular weight: 44.05 (Monomer)
Cas registry number: 9002-89-5
Water-solubility: Soluble in water exterior White flake, flocculent or powdery solid app;
Application: Adhesives, emulsifiers, dispersants, etc. r
Isk codes: Harmful, flammable and irritating after absorption.
|
Model
|
Size(mesh)
|
Viscosity(cps)
|
Alcoholysis(mol e%)
|
Ash(%)max
|
Volatile(%)max
|
|
0588
|
120
|
4.6-5.4
|
87-89
|
0.7
|
5.0
|
|
1788
|
120
|
20.5-24.5
|
87-89
|
0.7
|
5.0
|
|
2488
|
120
|
40-48
|
87-89
|
0.7
|
5.0
|
|
Item
|
1799
|
2099
|
2499
|
2699
|
|
Appearance
|
White flake
|
White flake
|
White flake
|
White flake
|
|
Degree of alcoholysis(Mole%)
|
99.0-100.0
|
99.0-100.0
|
99.0-100.0
|
99.0-100.0
|
|
Viscosity(cps)
|
22.0-28.0
|
35.0-43.0
|
58.0-68.0
|
68.0-78.0
|
|
Volatile matter(wt%)
|
≤5.0
|
≤5.0
|
≤5.0
|
≤5.0
|
|
Purity(wt%)
|
≥93.5
|
≥93.5
|
≥93.5
|
≥93.5
|
|
Ash(wt%)
|
<0.7
|
<0.7
|
<0.7
|
<0.7
|
|
PH value
|
5-7
|
5-7
|
5-7
|
5-7
|
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