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Home > Technical Support > Processing

PVA Water Soluble Film Processing

PVA films are environmentally sensitive.  Their moisture levels may change depending upon the environmental and packaging conditions.  Our sales staff have experience with the unique requirements of water soluble films and can be consulted for processing recommendations.

Equilibrium Moisture Content @ 73 °F (23°C)

GRADE

GAUGE
(micron)

RELATIVE HUMIDITY

33%
65%
80%

KA

KC

KL

PT

GA

EF

MA

40

40

40

40

40

30

40

5-7

5-7

5-7

5-7

5-7

5-7

5-7

15-17

16-18

13-15

17-19

17-19

15-17

15-17

19-21

21-23

17-19

21-23

21-23

19-21

19-21