| Layer | Thickness/Weight |
| OPA Film | 25 microns |
| Adhesive | 4 g/m² |
| Al Foil | 45-60 microns |
| Adhesive | 3-4 g/m² |
| PVC Film | 60 microns |
| Total | 130-145 microns |
| 250 g/m² |
Alu Alu Foil, also known as cold-forming foil, is a superior composite material with exceptional barrier properties. It is designed for high-sensitivity pharmaceutical and generic medicines that are highly hygroscopic or light-sensitive. This foil offers ultimate protection against water, oxygen, and UV radiation, ensuring the longevity and integrity of the packaged products.
| Layer | Description | Thickness/Weight | Tolerance |
| OPA Film | Over Print Adhesive | 25 microns | ±10% |
| Adhesive | Between layers | 4 g/m² | ±8% |
| Al Foil | Aluminium Soft Foil | 45-60 microns | ±10% |
| Adhesive | Between Al Foil and PVC Film | 4 g/m² | ±8% |
| PVC Film | Polyvinyl Chloride Film | 60 microns | ±10% |
| Total | Total Thickness | 130-145 microns | ±10% |
| Total Weight | 250 g/m² | ±10% |
The following is an example of alu alu foil structure：
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Henan Huasheng Aluminum Co., Ltd (HHALU for short), established in 2001, is located in Huiguo Town, the famous Aluminum capital of Henan Province, It's a professional manufacturer and engages in the research, development, production, sales and service of aluminum sheet plate, aluminum coil, aluminum foil, aluminum strip and aluminum circle.
In addition, HHALU also sell aluminum plate for construction and ships, aluminum mirror plate, and automotive aluminum alloy plate.
No.53, Dongming Road, Zhengzhou, Henan, China
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