
| 물성 항목 | 단위 | 대표값 | 허용오차 | Test Method | ||
|---|---|---|---|---|---|---|
| General | ||||||
| Thickness | μm | 40 | 70 | ± 5% | ASTM D 374 | |
| Density | g/㎤ | 1.4 | 1.38 | ± 0.02 | ASTM D 1505 | |
| Mechanical | ||||||
| Tensile Strength | N/mm2 | MD | ≥ 56 | ≥ 42 | ASTM D 882 | |
| TD | ≥ 130 | ≥ 50 | ||||
| Elongation | % | MD | ≥ 245 | ≥ 250 | ||
| TD | ≥ 35 | ≥ 50 | ||||
| Heat Shrinkage | ||||||
| 100℃ 열수, 10초 | % | MD | ≥ 5.0 | ≥ 2.0 | ± 2% | ASTM D 2732 |
| TD | ≥ 55 | ≥ 50 | ± 2% | |||
| Optical | ||||||
| Haze | % | 1.5 | 3.0 | ± 1% | ASTM D 1003 | |
| Gloss @60° | % | ≥ 160 | ≥ 150 | ASTM D 2457 | ||
| COF | ||||||
| (Coefficient of Friction) | Static (μs) | 0.45 | 0.35 | ASTM D 1894 | ||
| Kinetic(μk) | 0.45 | 0.35 | ||||