POVAL

POVAL
CAS NO: 9002-89-5
Molecular Formula: (C2H4O)n
Molecular Weight: 44.05
Properties: white powder
POLY(VINYL ALCOHOL)
CAS NO:

9002-89-5
Molecular Formula:

(C
2
H
4
O)n
Molecular Weight:

44.05
Properties:

white powder or flakes
H.S CODE
: 3905300000

Product specification

1. Fully Hydrolyzed Grade
Item


Grade
Degree of alcoholysis (mol/mol) %
≥

Viscosity mpa.s
Sodium acetate %
≤

Volatile matter %
≤

Ash %
≤

PH value
PVA1599
99.0-100
16.0-22.0
2.5
8.0
1.5
5-7
PVA1799L
99.0-100
21.0-27.9
2.5
8.0
1.5
5-7
PVA1799H
99.0-100
28.0-35.0
2.5
8.0
1.5
5-7
PVA2099L
99.0-100
32.0-38.0
2.5
8.0
1.5
5-7
PVA2299L
99.0-100.0
37.0-48.0
2.5
8.0
1.5
5-7
PVA2499L
99.0-100.0
47.0-63.0
2.5
8.0
1.5
5-7
PVA2699L
99.0-100
62.0-75.0
2.5
8.0
1.5
5-7
PVA2899L
99.0-100
75.0-88.0
2.0
5.0
0.7
5-7

2. Medium Hydrolyzed Grade
Item


Grade
Degree of alcoholysis (mol/mol) %
≥

Viscosity mpa.s
Sodium acetate %
≤

Volatile matter %
≤

Ash %
≤

PH value
PVA1792L
90.0-94.0
20.0-27.9
2.0
9.0
1.0
5-7
PVA1792H
90.0-94.0
28.0-33.0
2.0
9.0
1.0
5-7
PVA2092
90.0-94.0
32.0-38.0
2.0
9.0
1.0
5-7
PVA1797L
97.0-99.0
21.0-27.9
2.0
9.0
1.5
5-7
PVA1797H
97.0-99.0
28.0-33.0
2.0
9.0
1.5
5-7

3. Partly Hydrolyzed Grade
Item


Grade
Degree of alcoholysis (mol/mol) %
≥

Viscosity mpa.s
Sodium acetate %
≤

Volatile matter %
≤

Ash %
≤

PH value
PVA1788
86.0-90.0
20.0-33.0
1.5
9.0
1.0
5-7
PVA2088
86.0-90.0
32.0-38.0
1.5
9.0
1.0
5-7
PVA2288
86.0-90.0
37.0-48.0
1.5
9.0
1.0
5-7
PVA2488
86.0-90.0
47.0-60.0
1.5
9.0
1.0
5-7

The PVA production facilities of our company have been perfecting day by bay with the long-term absorption and technological transformation on the basis of importing the complete set of technology from Kuraray Company of Japan. PVA produced by our company is good in performances and stable in quality. It enjoys a great reputation both at home and abroad.