Causes and treatment of white spot and whiteness of aluminum plate


Aluminum plate refers to the rectangular plate processed by aluminum rolling, which is divided into pure aluminum plate, alloy aluminum plate, brushed aluminum plate, aluminum oxide plate, pattern aluminum plate and so on. At present, aluminum plate is widely used in household appliances, building decoration, automobile decoration and other places. Aluminum plate in the production process will inevitably appear some white spots, white and other problems, then, aluminum plate white spots, white and what is the cause and treatment method?
1, water is not clean, should strengthen the water.

2. The water used for washing is too dirty and easy to pollute the skin film. At this time, the water should be replaced to ensure the quality of washing.

3. The oxide film is polluted by soot, acid and alkali fog in the air. Strengthening water washing, timely dyeing and timely transfer can greatly reduce this symptom.

4. The oxide film is polluted by oil and sweat stains. Must strengthen protection, do not touch the appearance of the workpiece with hands.

5. There are insoluble impurities in the dye solution, which are contaminated by oil and destroy the normal dyeing. At this time, the dye solution should be filtered or replaced, and the tank liquid should be cleaned regularly.

6, workpiece gap, deep hole in the residual acid outflow, to strengthen the washing of this kind of workpiece.

7, the dye is contaminated, resulting in spot corrosion of the dyeing workpiece, the dye must be replaced at this time, usually should pay attention to avoid the introduction of impurities in the process of operation.

The above is about the aluminum plate white spot, white causes and treatment methods are introduced here. Only after we understand these reasons and treatment methods can we take corresponding measures in time when the aluminum plate has problems to ensure the quality and quantity of the standard and meet the requirements of customer satisfaction.

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