| Test Item | Unit | Executive Standard | Results |
|---|---|---|---|
| Appearance | - | No creases, damage, pollution or rough edges | OK |
| Width | mm | GB/T 6673-2001 | 1220 |
| Thickness | μm | GB/T 6673-2001 | 75 |
| Tensile strength (MD) | MPa | GB/T 1040.3-2006 | 325 |
| Elongation @ break MD | % | GB/T 1040.3-2006 | 48 |
| Elongation @ break TD | % | GB/T 1040.3-2006 | 610 |
| Surface tension | mN/m | GB/T 14216-2008 | ≥42, Double |
| Release force Inner | gf/25mm after 20hrs | 5-10 | 6 |
| Release force Outer | gf/25mm after 20hrs | 10-20 | 13 |
| Subsequent Adhesion Inner | % | ≥85 | 90 |
| Subsequent Adhesion Outer | % | ≥85 | 92 |