There are many processes for surface processing of aluminum shells,Aluminum for appliance but most of the aluminum shells have different processing methods.
Generally speaking, spraying is used. This process is cheaper than general magnesium-aluminum alloys. Generally,Aluminum for appliance the higher production process of aluminum profile shell is used for electronic products,Aluminum for appliance and there are high requirements on the process and production tools.
The aluminum profile shell is used as a packaging box,Aluminum for appliance which relies on its exquisite appearance and has excellent plasticity. In addition, the aluminum film is completely airtight and opaque. Food can be refrigerated at low temperatures. Aluminum foil can also increase the strength of the aluminum-plastic composite film. The aluminum profile shell can be recycled twice,Aluminum for appliance which is environmentally friendly and saves resources.