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Polyvinyl Alcohol Grades

Gradesand Specifications


1. Standard Grades

Grade

Viscosity (cps)

Hydrolysis (mole%)

Volatile (wt%)

Ash (wt%)

PH

Fully Hydrolyzed

HWF-03

3.0-4.0

98.0-99.0

≤5.0

≤0.5

5–7

HWF-04

4.0-5.0

98.0-99.0

≤5.0

≤0.5

5–7

HWF-05

5.0-6.0

98.0-99.0

≤5.0

≤0.5

5–7

HWF-08

8.0-10.0

98.0-99.0

≤5.0

≤0.5

5–7

HWF-14

13.0-16.0

98.0-99.0

≤5.0

≤0.5

5–7

HWF-17

21.0-26.0

98.0-99.0

≤5.0

≤0.5

5–7

HWF-17H

28.0-32.0

98.0-99.0

≤5.0

≤0.5

5–7

HWF-20

34.0-42.0

98.0-99.0

≤5.0

≤0.5

5–7

HWF-24

48.0-60.0

98.0-99.0

≤5.0

≤0.5

5–7

HWF-26

60.0-75.0

98.0-99.0

≤5.0

≤0.5

5–7

HWF-28

75.0-90.0

98.0-99.0

≤5.0

≤0.5

5–7

Partially Hydrolyzed

HWP-03

3.0-4.0

86.0-89.0

≤5.0

≤0.5

5–7

HWP-04

4.0-5.0

86.0-89.0

≤5.0

≤0.5

5–7

HWP-05

5.0-6.0

86.0-89.0

≤5.0

≤0.5

5–7

HWP-08

8.0-10.0

86.0-89.0

≤5.0

≤0.5

5–7

HWP-14

11.0-14.0

86.0-89.0

≤5.0

≤0.5

5–7

HWP-17

21.0-26.0

86.0-89.0

≤5.0

≤0.5

5–7

HWP-20

27.0-33.0

86.0-89.0

≤5.0

≤0.5

5–7

HWP-24

44.0-50.0

86.0-89.0

≤5.0

≤0.5

5–7

HWP-26

50.0-58.0

86.0-89.0

≤5.0

≤0.5

5–7

Sub- Partially Hydrolyzed (* For PVC)

HWC-05

5.0-6.0

72.0-76.0

≤5.0

≤0.3

5–7

HWC-20

36.0-42.0

78.0-82.0

≤5.0

≤0.3

5–7

HWC-24

44.0-52.0

78.0-82.0

≤5.0

≤0.3

5–7


2. Low Foaming Grades

HWP-05A

Specification is same as HWP-05, and with better defoaming property.

HWP-14A

Specification is same as HWP-14, and with better defoaming property.

HWP-17A

Specification is same as HWP-17, and with better defoaming property.

HWP-20A

Specification is same as HWP-20, and with better defoaming property.

HWP-24A

Specification is same as HWP-24, and with better defoaming property.


3. Fine Particle Grades, S-grades

HWF-17S

Specification is same as HWF-17, and with particle pass 80 mesh screen

HWP-05S

Specification is same as HWP-05, and with particle pass 80 mesh screen

HWP-17S

Specification is same as HWP-17, and with particle pass 80 mesh screen

HWP-20S

Specification is same as HWP-20, and with particle pass 80 mesh screen

HWP-24S

Specification is same as HWP-24, and with particle pass 80 mesh screen


Remark:

(1) Viscosity of a 4wt % standard grade PVA solution at 20°C which isdetermined by Brookfield Viscometer with UL adapter.
(2) Ash Calculated as Na2O.
(3) PH is determined by PH meter at 20°C

(4) Particle size of standard grades is all passes through 10-mesh screen.

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