The specific cleaning steps of aluminium sheet are as follows:

1. Wash the surface of the board with plenty of clean water first.

2. Use a soft cloth soaked with water-diluted detergent to gently scrub the surface of the test board.

3. Wash the board surface with plenty of clean water to wash away the dirt.

4. Check the surface of the board, and focus on cleaning with detergent where there is no cleaning.

5. Rinse the surface of the board with clean water until the detergent is completely washed away.

Caution: Do not clean the hot surface (when the temperature is over 40 C), because the volatilization of excessive moisture is harmful to the surface paint!

In particular, please choose the appropriate detergent, a basic principle is: neutral detergent must be selected! Do not use strong alkaline detergents such as potassium hydroxide, sodium hydroxide or sodium carbonate, strong acid detergent, abrasive detergent and paint soluble detergent.