The Moisture Permeability for Common Plastic film

The Moisture Permeability for Common Plastic film

Material Thinkness Moisture Permeability [g / (m2*24h)]
Test Enviroment
T:40℃
RH:90%
T:40℃
RH:65%
T:25℃
RH:90%
LDPE 0.03 mm 15 10.2 4.0
HDPE 0.03 mm 9.0 6.4 2.2
PP 0.03 mm 10 7.1 2.3
PET 0.03 mm 17 10.3 4.8
PVDC 0.03 mm 2.5 1.5 0.5


The Moisture Permeability for PE Film at Different Thickness

PE film thickness [mm] Moisture Permeability [g / (m2*24h)]
0.018 43.7
0.029 17.2
0.039 12.2
0.052 9.0
0.065 7.4
0.078 5.9
0.102 4.6
0.122 3.8
Silica Gel Usage Calculation