Product Description
factory supply PVA Polyvinyl Alcohol 1788/088-20 1799/098-20 2488/088-50
Product Properties:
Polyvinyl alcohol (PVA) is a non-polluting water-soluble polymer, usually white or slight yellow floccule, flake, granular or powder solid. Its performance is between plastic and rubber. It has good adhesion, film-forming ability, insulation, oil resistance, abrasion resistance and gas barrier property, etc.
Specification
Items PVA1799 |
Specification |
Results |
Appearance |
White Powder |
White Powder |
Alcoholysis Degree,% |
98-99.9 |
99.5 |
Volatily,% |
≤ 5.0 |
3.2 |
Ash,% |
≤ 0.7 |
0.36 |
P H Value |
5-7 |
6 |
Viscosity. mpa.s |
25.0-31.0 |
30 |
Items VA2488 |
Specification |
Results |
Appearance |
White Flake |
White Flake |
Alcoholysis Degree,% |
≥98.0-99.9 |
99.5 |
Volatily,% |
≤5.0 |
3 |
Ash,% |
≤0.7 |
0.4 |
P H Value |
5-7 |
6 |
Viscosity. mpa.s |
50-60 |
58 |
Application
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