ITEM | SPEC | UNIT | DATA | TEST METHOD | REMARKS | |
---|---|---|---|---|---|---|
Thickness | - | 25.0±1.0 | ㎛ | 24.96±0.55 | POINT(Needle) | |
Tensile Strength |
MD | 22.0±6 | kg/㎟ | 21.0 | ASTM D-882 | |
TD | 33.0±5 | 32.3 | ||||
F-2 VALUE | MD | - | kg/㎟ | 5.5 | ASTM D-882 | |
TD | 4.4 | |||||
F-5 VALUE | MD | - | kg/㎟ | 6.7 | ASTM D-882 | |
TD | 5.6 | |||||
Elongation (at break) |
MD | 150±30 | % | 167.5 | ASTM D-882 | |
TD | 110±30 | 110.0 | ||||
Coefficient OF Friction |
- | 0.7±0.4 | us | 0.62 | ASTM D-1894 | |
0.6±0.4 | uk | 0.52 | ||||
Wetting tension |
IN | 52±4 | Dyne/cm | 54 | ASTM D-2578 | |
OUT | 52±4 | 36 | ||||
Heat Shrinkage |
MD | 1.25±0.75 | % | 1.25 | 160℃×15min | |
TD | 1.00±0.75 | 1.00 | ||||
Haze | 4.0±0.5 | % | 3.72 | ASTM D-1003 | ||
Water vapor transmission rate |
g/㎡.24hr | 400↓ | % | 293.4 | ASTM D-1249 | 38℃ 100%RH |
Oxygen transmission rate |
cc/㎡.24hr.atem | 55↓ | % | 41.3 | ASTM D-3985 | 23℃ 0%RH |