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Polyvinyl Alcohol( PVA17-88 )
Executive Standard GB 12010.2
Applications This product is mainly used in coating , adhesive , dispersing agent , emulsifier , starching material , photoglue and soil amendment etc..
Packaging Polypropylene woven bag with inner lined plastic film.Net weight : 25kg , 20kg/bag .
Major Technical Index
Item |
Top grade |
First grade |
Qualified |
Sodium acetate content , % |
≤ 1.0 |
≤ 1.5 |
≤ 1.5 |
Volatile content , % |
≤ 5.0 |
≤ 8.0 |
≤ 10.0 |
Ash content , % |
≤ 0.4 |
≤ 0.7 |
≤ 1.0 |
Viscosity , mPa · s |
20.5-24.5 |
20.0-26.0 |
20.0-26.0 |
Alcoholysis , %(mol/mol) |
87.0-89.0 |
86.0-90.0 |
86.0-90.0 |
PH value |
5 - 7 |
5 - 7 |
5 - 7 |
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