Polyvinyl Alcohol PVA 1788/2488 for Skim Coat
- Company Name:Ada Fine Chemicals Co.,Ltd
- Membership:Free Member
- Member Since:2019. 03.15
- Country/Region:China
- City:Hebei
- Contact:Ada
- Related Keywords:Polyvinyl Alcohol, PVA, PVA 1788, PVA 2488, Skim Coat
PVA powder is made of vinyl acetate through polymerization and alcoholysis. It is a kind of white or light yellow, stable, non-toxic, water-soluble and environmentally friendly polymer. It will dissolve into water fast and form stable colloid, which has great stability,cohesiveness,film forming property, insulativity, oil resistance, abrasive resistance, air blocking property, etc..
Physical and Chemical Indicators
Item | 24-88 | 17-88 |
Average degree of polymerization | 2400-2500 | 1700-1800 |
Molecular weight
| 118000-124000 | 84000-89000 |
Viscosity | 44-50 | 21-26 |
Alkalisation degree | 86-89 | 86-89 |
Volatile matter content | < 5 | < 5 |
Ash content | < 0.5 | < 0.5 |
PH | 5-7 | 5-7 |
Fineness(mesh) | > 120 | > 120 |
Main Applications | Interior wall putty powder | Cement additives |
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