How to deal with the color difference of external wall stone?

Color difference treatment can be roughly divided into polishing method, color accelerating method, dyeing method, and color changing method.

　　1. Polishing method: Through the water splash test, the stone has no color difference or not obvious color difference under the condition of immersion in water. The polishing method can be used. That is, use stone polisher to polish lighter stone to eliminate color difference.

　　2. Color accelerating method: For the color difference treatment that cannot be processed by the polishing method, the overall stone is mostly yellow. For the stone with light color, you can try to use the stone yellow accelerating agent for yellowing treatment to eliminate the color difference.

　　3. Dyeing method: For the chromatic aberration of the stone that cannot be adjusted by the polishing method and the color accelerating method, the light-colored stone must be dyed with a stone dye to eliminate the chromatic aberration.

　　4. Subtractive method: The stone color reducing agent uses the principle of restoration to restore high-priced metal ions to low-priced metal ions to achieve the purpose of reducing or fading the stone. This method does not affect the luminosity of the stone surface and the material of the stone, and is an ideal material for stone color difference processing.