Method 1: The anodized aluminum piece is first dyed with the first color (usually light color), and then printed by a transparent alkyd varnish by rubber printing or wire mesh method, and the desired pattern is printed on the aluminum piece. Pattern. After drying, it is faded, then dyed for a second time (usually dark), and after sealing and sealing, a beautiful two-color pattern is obtained.
Method 2: After the first dyeing, the fancy pattern is printed with lacquer, dried and then subjected to fading treatment, and then anodized for the second time, followed by dyeing the second color, and the beautiful appearance appears after sealing.
Method 3: The first time dyed in light color, printed on the pattern and then dyed dark, without fading in the middle, can also get different patterns of light and dark.