The surface of the product is stained with the color of patina green, which has the advantages of stable color, easy operation, simple equipment and wide application range.
1.Operating conditions:
a. antique copper blackening agent concentration: 300-400 mL/L black
b. black patina agent solution
c. the work piece is placed in ventilated place to dry 2-8 hours
2.Product catalog: Antique copper blacken agent, patina green agent