High-dimensional card, high strength and high smoothness. It can be used for laser engraving.
| No. | Inspection Items | Unit | Quality Requirements | ||
|---|---|---|---|---|---|
| 1 | Thickness range | mm | 0.05~0.8mm | ||
| 2 | Tensile strength | Mpa | Longitudinal | ≥50 | |
| Transverse | ≥50 | ||||
| 3 | Elongation at break | % | MD | ≥60 | |
| TD | ≥60 | ||||
| 4 | Roughness um | Frosted | 1.0~2.5 | ||
| 5 | （Ra） | Laminated | 0.5~1.2 | ||
| 6 | Surface tension | cm | ≥34 | ||
| 7 | Heat shrinkage (135℃±2,10min) | % | Thickness ≤ 0.175mm | Longitudinal | ≤1.5 |
| Transverse | ≤0.5 | ||||
| Thickness > 0.175mm | Longitudinal | ≤1.0 | |||
| Transverse | ≤0.5 | ||||
| 8 | Vicat softening point (1kg pressure) | ℃ | 150±3 | ||
It is used to make portrait cards and certificate cards with anti-counterfeiting requirements.
