Why do aluminum profiles need sandblasting and oxidation treatment?

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Update time : 2024-08-13 09:57:00

  There are many kinds of surface treatment, such as sandblasting, brushing, polishing, spraying, etc., which will be made into different surfaces according to customer's requirements for appearance. What are the characteristics of sandblasting? Sandblasting is to use the nozzle of the sandblasting machine to spray steel sand or glass sand at high speed onto the surface of the aluminum material, destroy the surface of the aluminum material, remove the shallow mechanical lines on the surface of the aluminum material, and form a "sand surface". Oxidation After sandblasting, the aluminum material must be oxidized before it can be finally completed. According to customer needs, three-acid polishing and then oxidation can be performed to form a sandblasting bright surface. Or after sandblasting, degreasing and direct oxidation are performed, which is a sandblasting matte surface. After oxidation, a dense oxide film can be formed to increase the corrosion resistance of the aluminum material. Both can also be colored or dyed after oxidation to make different colors.

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