|
Polyvinyl Alcohol 95 Series
Executive Standard Q/GYJ 07
Applications These products are mainly used as polystabilizer of vinyl acetate emulsion and used in papermaking,adhesive,sponge,temporary protective film and fiber processing etc..
Packaging Polypropylene woven bag with inner lined plastic film. Net weight: 25kg,20kg/bag.
Major Technical Index
|
PVA 20-95 |
PVA 22-95 |
Item |
Top grade |
First grade |
Qualified |
Top grade |
First grade |
Qualified |
Sodium acetate content , % |
≤ 1.0 |
≤ 1.5 |
≤ 2.0 |
≤ 1.0 |
≤ 1.5 |
≤ 2.0 |
Volatile content , % |
≤ 7.0 |
≤ 8.0 |
≤ 10.0 |
≤ 7.0 |
≤ 8.0 |
≤ 10.0 |
Ash content , % |
≤ 0.5 |
≤ 0.7 |
≤ 1.0 |
≤ 0.5 |
≤ 0.7 |
≤ 1.0 |
Average polymerization |
2050 ± 100 |
2250 ± 100 |
Viscosity , mPa · s |
30.0 - 40.0 |
40.0 - 50.0 |
Alcoholysis , %(mol/mol) |
94.0 - 96.0 |
94.0 - 96.0 |
|
|
Item |
Top grade |
First grade |
Qualified |
Sodium acetate content , % |
≤ 1.0 |
≤ 1.5 |
≤ 2.0 |
Volatile content , % |
≤ 7.0 |
≤ 8.0 |
≤ 10.0 |
Ash content , % |
≤ 0.5 |
≤ 0.7 |
≤ 1.0 |
Average polymerization |
2450 ± 100 |
Viscosity , mPa · s |
50.0 - 60.0 |
Alcoholysis , %(mol/mol) |
94.0 - 96.0 |
|
