Paper laminated aluminum foil is a common packaging material. It is made by laminating multiple layers of thin films and plays a good role in moisture resistance, oxidation resistance, and gas barrier during the packaging process. The production process of laminated aluminum foil paper is very complex and requires multiple steps to complete.
First, prepare the necessary raw materials, including aluminum foil, paper, coatings, and adhesives. Aluminum foil is used as the inner layer to prevent moisture and gas barrier. Paper is used as the outer layer to improve the strength and aesthetics of the material. Coatings are used as the middle layer to enhance the barrier and heat resistance of the material. Adhesives are used to bond each layer of material together.
Next, the coating process is carried out. This step evenly coats the coatings on the aluminum foil and paper to improve the performance of the material. Manufacturers will precisely control the thickness and coating method to ensure that the coating thickness of each layer meets the requirements. After completing the coating process, the bonding process is required. This step bonds the aluminum foil, paper, and coatings together using adhesives to form the basic structure of the laminated aluminum foil paper. The quality and viscosity of the adhesive have a significant impact on the quality of the aluminium foil laminated paper, so its quality needs to be strictly controlled.
Next is the drying process. This step involves sending the laminated aluminum foil paper into a drying chamber to remove moisture and volatiles, and to more firmly bond the layers of material together. The drying time and temperature need to be reasonably controlled according to the properties and thickness of the materials.
Finally, the process of winding and cutting is carried out. This step processes the dried aluminium foil laminated paper into rolls with specific lengths and widths through winding and cutting processes, which are used by manufacturers and consumers.
Overall, the production process of paper laminated aluminum foil is very complex and requires strict control of every detail to manufacture high-quality products. Many items we use in daily life, such as packaged foods, medicines, and cosmetics, utilize this process. Therefore, mastering and skillfully applying the production process of laminated aluminum foil paper is an indispensable aspect in modern production and logistics.