2.2Evenness |
The transverse thickness deviation within distance of 25mm ~ E does not exceed 15 um; The transverse thickness deviation within distance of 50mm ~ E does not exceed 20 um |
2.3Length tolerance(m) | Not less than labeled length |
2.4Width tolerance(mm) | 0—20 |
3.Moisture content(%) | 0.35一0.55 |
4.Tensile strength(MPa) | ≥20 |
5.Elongation at break(%) | ≥200 |
6.Haze ratio(%) | ≤0.6 |
7.Shrinking percentage(60~C/1 5min)(%) | ≤8 |