Composite aluminum foil is to bond aluminum foil (thickness range 0.007 ~ 0.015mm) with other polymer film materials such as polyester film, PE film, PVC film, OPP film, etc. The process includes the use of laminating equipment, coating adhesive and pressing into a whole, and the coating technology is diverse. It can be coated by gravure coating, extrusion coating and hot melt coating.
Composition structure of composite aluminum foil:
AL+PET: high temperature resistance, high mechanical strength, suitable for high temperature cooking packaging.
AL+PE: good softness, suitable for heat sealing, widely used in food packaging.
AL+PVC: high transparency, good moisture resistance, often used in pharmaceutical packaging.
AL+OPP: high transparency, good moisture resistance, suitable for light packaging.
Composite aluminum foil specifications:
| Alloy | 8079/1235/8011 |
| Temper | O |
| Thickness range | 0.0053mm-0.035mm |
| Width range | 200~1880mm |
| ID | 76/152mm |
| Core | (3" or 6") aluminum core/iron core |
| Surface | single-sided glossy |
| Water-brush resistance | Grade A |
| MOQ | 1-3 tons |
| Packaging | hanging, fumigated wooden box |
| Application | pharmaceutical packaging, food industry, beverages, cigarettes, yogurt lids, cosmetic boxes, etc. |
Composite aluminum foil performance advantages:
1. Strong barrier properties
2. Lightweight and flexible
3. High and low temperature resistance
4. Moisture-proof, anti-oxidation, anti-corrosion
5. Good mechanical properties
6. Environmental protection
Composite aluminum foil application areas:
1. Food packaging: The barrier properties and heat resistance of composite aluminum foil make it an ideal material for food packaging, and it is widely used in the packaging of candies, chocolates, biscuits and other foods.
2. Pharmaceutical packaging: In the pharmaceutical field, composite aluminum foil is used for the packaging of medicines to ensure the dryness, moisture-proofness and shelf life of medicines.
3. Electronic products: In the field of electronic products, composite aluminum foil is used for the packaging and shielding of components such as circuit boards and batteries to prevent electromagnetic interference and ensure the stability of products.
4. Construction field: Composite aluminum foil is also used in the manufacture of building insulation materials, such as aluminum foil composite insulation boards, etc., to improve the insulation performance of buildings.