The Moisture Permeability for Common Plastic film
| Material | Thickness | 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 |