120 Antique Silver Blacken Agent
★Use and characteristics
1. It is suitable for the silver layer of black oxide, the corrosion of the matrix metal is very small. In a very short period of time the silver oxide, significantly improve the antique decorative effect.
2. The color turns from light brown to brown then black.
★Solution composition and operating conditions
1.Operation conditions:
Black layer concentration of 300ml/L layer, brown layer concentration 50ml/L, soaking time -3 minutes and 30 seconds, 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 Silver Blacken Agent