Aluminum coil refers to a rectangular coil rolled and processed from aluminum ingots, which is divided into pure aluminum coil, alloy aluminum coil, brushed aluminum coil, alumina coil, patterned aluminum coil, etc. Aluminum sheets are currently widely used in household appliances, building decoration, automobile decoration and other places. In the production process of aluminum coils, some problems such as white spots and white spots will inevitably occur. Then, what are the causes and treatment methods of white spots and white spots on aluminum coils?

1. If the washing is not clean, the washing should be strengthened.

2. The water used for washing is too dirty and easy to contaminate the 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 mist in the air. Strengthening washing, timely dyeing, and timely transfer can greatly reduce this symptom.

4. The oxide film is polluted by oil and sweat. Protection must be strengthened, and the outer surface of the workpiece should not be touched by hand.

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

6. There is residual acid flowing out of the gaps and deep holes of the workpiece, and water washing should be strengthened for such workpieces.

7. The dye liquor is polluted, causing pitting corrosion of the dyed workpiece. At this time, the dye must be replaced. Usually, attention should be paid to avoid introducing impurity ions during the operation.

The above is the introduction to the causes and treatment methods of white spots and white spots on aluminum coils. Only after the aluminum coil manufacturers understand the reasons and the treatment methods, when there are problems with the aluminum coils, they can take corresponding measures in time to ensure that the quality and quantity are up to standard. customer satisfaction requirements.

Sanmen United Building Materials Co., Ltd (aluminum coil manufacturer) is a modern enterprise specializing in deep processing of aluminum surfaces. The products cover a variety of surface effects and are favored by the majority of users. The company has now formed a production and sales of color-coated aluminum, mirror aluminum, brushed aluminum, wood-grained aluminum, stone-grained aluminum, embossed aluminum, etc., with quality control, product development, and after-sales service.

The company will adhere to continuous innovation, integrity-based, quality first, and won the recognition and trust of customers. The company's products are exported to dozens of countries and regions such as India, Vietnam, Russia, South Korea, the Middle East, and Southeast Asia. We look forward to working with our trading partners. Establish a solid, mutually beneficial and win-win strategic partnership. Contact: 0086-576-83381188