1.It is Black oxidizing agent applied to copper layer with beautiful brown and British bronze, little corrosion on the base metal.
2.It can oxidize copper layer in a very short period of time, significantly improve the antique decorative effect. Shades from light brown to brown then turn black.
1.Operation conditions:
Concentration: 300-400mL/L. The work piece swing to ensure uniform blackness, black or brown in bulk, must use single core filter. In the heating temperature (35 ℃-60 ℃) under the condition of black or brown speed.
2.Product catalog: Antique Copper Blacken Agent