Old Grades

New Grades name

Hydrolysis

(mol%)

Volatiles

(%)

Viscosity

(mpa.s)

Ash

(wt%)

PH Value

Purity

(wt%)

PVA1788

PVA

088-20

87.0-89.0

≤5

20.5-24.5

≤0.4

5-7

≥93.5

PVA1888

PVA

088-26

86.0-90.0

≤6

23.5-28.5

≤0.5

5-7

≥92.5

PVA1895

PVA

095-28

94.0-96.0

≤5

26.0-30.0

≤0.5

5-7

≥93.5

PVA1799

PVA

100-27

99.0 – 100

≤5

22.0-28.0

≤0.7

5-7

≥93.0

PVA1799A

PVA

098-27

98.0-99.0

≤5

23-28

≤0.7

5-7

≥93.0

PVA1799S

PVA

100-27S

99.8-100.0

≤5

23-28

≤0.7

5-7

≥93.0

PVA2488

PVA

088-50

87.0-89.0

≤5

45.0-55.0

≤0.5

5-7

≥93.5

PVA0499

98.0 – 99.4

≤5

4.0-5.0

≤0.7

5-7

≥93.0

PVA0498

98.0 – 98.8

≤5

4.0-5.0

≤0.7

5-7

≥93.0

PVA0588

PVA

088-05

87.0-89.0

≤5

4.5-6.0

≤0.7

5-7

≥93.0

PVA0599

PVA

098-05

98.0-99.0

≤5

5.0-6.5

≤0.7

5-7

≥93.0

PVA1098

PVA

098-10

97.0-99.0

≤5

8.0-12.0

≤0.5

5-7

≥93.5

PVA1399

PVA

098-15

98.0-99.0

≤5

13.0-17.0

≤0.5

5-7

≥93.5

PVA1388

PVA

088-13

87.0-89.0

≤5

12.0-14.0

≤0.5

5-7

≥93.5

PVA1797

PVA

096-27

96.0-98.0

≤7

23.0-29.0

≤0.7

5-7

≥93.5

PVA2088

PVA

088-35

87.0-89.0

≤5

29.0-34.0

≤0.5

5-7

≥93.5

PVA2497

PVA

097-70

96.0-98.0

≤5

54.0-64.0

≤0.5

5-7

≥93.5

PVA2499

PVA

100-60

98.0-99.0

≤5

58.0-68.0

≤0.5

5-7

≥93.5

PVA1897

PVA

097-29

96.0-98.0

≤5

27.0-31.0

≤0.5

5-7

≥93.5

PVA1795

PVA

094-27

94.0-96.0

≤7

22.0-28.0

≤0.5

5-7

≥93.5

PVA1899

PVA

098-30

98.0-99.0

≤5

28.0-32.0

≤0.5

5-7

≥93.5

PVA2099

PVA

098-37

98.0-99.0

≤5

34.0-39.0

≤0.5

5-7

≥93.5

PVA2288

PVA

088-40

87.0-89.0

≤5

38.0-42.0

≤0.5

5-7

≥93.5

PVA1792

PVA

092-20

91.0-93.0

≤5

21.0-27.0

≤0.5

5-7

≥93.5

PVA2092

PVA

092-35

91.0-93.0

≤5

28.0-34.0

≤0.5

5-7

≥93.5

PVA2688

PVA

088-60

87.0-89.0

≤5

56.0-66.0

≤0.5

5-7

≥93.5

PVA0388

PVA

088-03

87.0-89.0

≤5

3.0-4.0

≤0.5

5-7

≥93.5

PVA0888

PVA

088-07

87.0-89.0

≤5

6.5-7.5

≤0.5

5-7

≥93.5

PVA1088

PVA

088-08

87.0-89.0

≤5

8.0-10.0

≤0.5

5-7

≥93.5