品类: BOPP镀铝膜
BOPP镀铝膜适用于真空镀铝、辐射屏蔽、防伪基材及食品包装。具有优异的封合强度、优异的附着力、亮丽的金属光泽，且不影响油墨印刷。
厚度 / 定量: 20-45 microns
| Performance | Unit | 20-30µm | 31-50µm |
|---|---|---|---|
| Tensile strength MD | MPa | ≥120 | ≥130 |
| Tensile strength TD | MPa | ≥200 | ≥220 |
| Elongation MD | % | ≤200 | ≤220 |
| Elongation TD | % | ≤75 | ≤80 |
| Shrinkage rate MD | % | ≤4 | ≤3 |
| Shrinkage rate TD | % | ≤2.5 | ≤2 |
| Friction coefficient (static) | - | ≤0.7 | ≤0.7 |
| Friction coefficient (dynamic) | - | ≤0.7 | ≤0.7 |
| Haze | % | ≤2.5 | ≤4.5 |
| Glossiness | % | ≥75 | ≥75 |
| Wetting tension | mN/m | ≥42 | ≥42 |
| Sealing strength | N/15mm | ≥2.0 | ≥2.0 |
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