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Polyvinyl Alcohol 99(L) Series
Executive Standard Q/GYJ 07
Applications These products are mainly used in fiber processing,paper processing,adhesive,polystabilizer of vinyl acetate emulsion,plastic forming,temporary protective film,ceramics or ferrite adhesive,papermaking and sponge etc.
Packaging Polypropylene woven bag with inner lined plastic film.Net weight: 25kg,20kg/bag.
Major Technical Index
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PVA 19-99 ( L ) |
PVA 20-99 ( L ) |
Item |
Top grade |
First grade |
Qualified |
Top grade |
First grade |
Qualified |
Sodium acetate content , % |
≤ 2.1 |
≤ 2.3 |
≤ 2.5 |
≤ 2.1 |
≤ 2.3 |
≤ 2.5 |
Volatile content , % |
≤ 8.0 |
≤ 9.0 |
≤ 10.0 |
≤ 8.0 |
≤ 9.0 |
≤ 10.0 |
Ash content , % |
≤ 0.7 |
≤ 1.0 |
≤ 1.5 |
≤ 0.7 |
≤ 1.0 |
≤ 1.5 |
Average polymerization |
1900 ± 100 |
2050 ± 100 |
Viscosity , mPa · s |
26.0 - 32.0 |
26.0 - 32.0 |
Alcoholysis , %(mol/mol) |
99.0 - 100 |
99.0 - 100 |
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PVA 22-99 ( L ) |
PVA 24-99 ( L ) |
Item |
Top grade |
First grade |
Qualified |
Top grade |
First grade |
Qualified |
Sodium acetate content , % |
≤ 2.1 |
≤ 2.3 |
≤ 2.5 |
≤ 2.1 |
≤ 2.3 |
≤ 2.5 |
Volatile content , % |
≤ 8.0 |
≤ 9.0 |
≤ 10.0 |
≤ 8.0 |
≤ 9.0 |
≤ 10.0 |
Ash content , % |
≤ 0.7 |
≤ 1.0 |
≤ 1.5 |
≤ 0.7 |
≤ 1.0 |
≤ 1.5 |
Average polymerization |
2250 ± 100 |
2450 ± 100 |
Viscosity , mPa · s |
30.0 - 40.0 |
40.0 - 50.0 |
Alcoholysis , %(mol/mol) |
99.0 - 100 |
99.0 - 100 |
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PVA 26-99 ( L ) |
Item |
Top grade |
First grade |
Qualified |
Sodium acetate content , % |
≤ 2.1 |
≤ 2.3 |
≤ 2.5 |
Volatile content , % |
≤ 8.0 |
≤ 9.0 |
≤ 10.0 |
Ash content , % |
≤ 0.7 |
≤ 1.0 |
≤ 1.5 |
Average polymerization |
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Viscosity , mPa · s |
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Alcoholysis , %(mol/mol) |
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