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Aluminium foil has become the preferred barrier material, particularly for the inner liner of cigarette packets. This is because it combines the ability to retain the characteristic aroma peculiar to each blend and brand, within a unique quality of ‘feel’ and appearance which is light, robust and easy to re-seal.
| Alloy | 1235, 8011 | |
| Temper | O | |
| Thickness | 0.006~0.009mm | |
| Width | 100~1220mm | |
| Coil ID | 75mm | Coil ID |
| Coil OD | 320~450mm | Coil OD |
| Alloy | Fe | Si | Cu | Mn | Mg | Cr | Zn | Ni | Ti | Other | Al | |
| Each | Total | |||||||||||
| 1235 | 0.65 | 0.05 | 0.05 | 0.05 | – | 0.1 | – | 0.06 | 0.05 | 0.15 | 99.35 | |
| 8011 | 0.6~1.0 | 0.50~0.9 | 0.1 | 0.2 | 0.05 | 0.05 | 0.1 | – | 0.08 | 0.05 | 0.15 | Remains |
| Alloy | Temper | Thickness (mm) | Test under room temperature | ||
| Tensile Strength Rm/(N/mm2) | Elongation %(>=) | ||||
| A50mm | A50mm | ||||
| 1235 | O | 0.0060~0.0090 | 40~100 | 1.0 | － |
| 8111 | 50~100 | 1.5 | － | ||
Diameters of pin hold should be less than 0.3mm.
| Thickness(mm) | Number of Hole/m2(<=) |
| 0.006 | 1500 |
| >0.0060～0.0065 | 1000 |
| >0.0065～0.0070 | 500 |
| >0.0070～0.0090 | 200 |
