| Test Item | Range | Test Standard | |
|---|---|---|---|
| Thickness | Avg. | 80 μm | GB/T 6672 |
| Max. | ≤84 | ||
| Min. | ≥76 | ||
| Width | Avg. | 1090 ±3 mm | GB/T 6673 |
| Tensile strength | MD | ≥20 MPa | GB/T 1040.3 |
| TD | ≤15 | ||
| Elongation @ break | MD | ≤300% | |
| TD | ≤300% | ||
| Wetting tension | - | ≥38 mM/m | GB/T 14216 |
| Release force | Inner | customizable gf/25mm | GB/T 25256 |
| Outer | Customizable | ||
| Subsequent adhesion rate | Inner | ≥85% | |
| Outer | ≥85% | ||
