1. It is Black oxidation agent suitable for brass, bronze, copper and electroplating, little corrosion on the base metal.
2.It can oxidize the copper layer and turns color in a very short time,
3.The color turns from light brown to brown then, coffee.
1.Operation conditions:
Concentration:300-400mL/L, Soak time: 30 seconds -3 minutes ,In order to ensure the work piece swing black uniform, the black mass, be sure to use single core filter, at room temperature.
2.Product catalog: Antique Red Bronze Blacken Agent