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Aluminum castings refer to equipment and components made of pure aluminum or aluminum alloys obtained by casting. Generally, sand molds or metal molds are used to pour heated liquid aluminum or aluminum alloy into the mold cavity, and the obtained aluminum parts or aluminum alloy parts of various shapes.
Phosphating is a commonly used pretreatment technology. In principle, it should belong to chemical conversion film treatment. It is mainly used for phosphating on the surface of steel, and non-ferrous metals (such as aluminum and zinc) can also be phosphating.
Since the end of the 1980s, many automobile manufacturers in Europe, the United States, and Japan have cooperated with aluminum companies to strengthen research on aluminum automobile bodies and have achieved encouraging results. In 1995, the German Audi company first began to mass-produce aluminum bodies.
Medicine aluminum foil descriptionTechnical fieldThe utility model relates to a composite film, more specifically, it relates to a medical packaging aluminum foil.Background techniqueMedical packaging aluminum foil is a kind of composite film, is most mainly used for packing medicine.
