| GRADE | JT301 | JT401 | JT501 | ||||
|---|---|---|---|---|---|---|---|
| Properties | ITEM | METHOD | UNIT | RESULT(대표값임) | |||
| THICKNESS（두께） | 포인트법 | ㎛ | 30 | 40 | 50 | ||
| TENSILE STRENGTH (파단인장강도) |
MD | ASTM D-882 |
Mpa | ≥120 | |||
| TD | ≥220 | ||||||
| ELONGATION AT BREAK (파단신장률) |
MD | % | ≤ 210 | ||||
| TD | ≤ 70 | ||||||
| HEAT SHRINKAGE (120℃/15min) (가열치수변화율) |
MD | ASTM D-1204 |
% | ≤ 4.5 | |||
| TD | ≤ 1.5 | ||||||
| WET TENSION (습윤장력) |
IN | ASTM D-2578 |
mN/m | ≥36 | |||
| OUT | |||||||
| HAZE (흐림도) |
ASTM D-1003 |
% | ≤2.2 | ≤2.5 | |||
| C.O.F (마찰계수) |
IN/IN | ASTM D-1894 |
≤0.7 | ||||
| OUT/OUT | ≤0.7 | ||||||