74# Nickel-free gun black electroplating process
1. does not contain nickel, suitable for glasses, jewelry and other workpieces of environmental protection plating.
2. The coating is black and bright, with uniform color.
3. Excellent dispersion performance, suitable for barrel plating of small workpieces.
4. The plating solution is stable and easy to manage.
Still deciding? Get samples first, Contact US !
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Solution composition and operating conditions
Light gun black shot black dark gun black tin salt 12g/l 10g/l 8g/l Cobalt salt 18g/l 30g/L 30g/L potassium pyrophosphate 250g/l 250g/l 250g/l 74#-1 Tin Cobalt Additive 100 ml/l 100 ml/l 100 ml/l 74#-2 tin cobalt gun black agent 10 ml/l 20 ml/l 20 ml/l pH 8.5-9.0 anode current density 0.2-2 amps/square decimeter Temperature 45-55 ℃ anode material Graphite Stirring Cathode movement, minimum 1-2 m/min, cannot be stirred with air Filtration continuous filtration plating time 2-3 minutes
74# Nickel-free gun black electroplating process
1. does not contain nickel, suitable for glasses, jewelry and other workpieces of environmental protection plating.
2. The coating is black and bright, with uniform color.
3. Excellent dispersion performance, suitable for barrel plating of small workpieces.
4. The plating solution is stable and easy to manage.
Still deciding? Get samples first, Contact US !
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Guangdong Dazhi Chemical Technology Co., Ltd
Email: sales@dazhichem.com
Phone/WeChat: 86-18520125168
Address: No.1 Tianyuan East Road, Yonghe Economic Zone, Huangpu District, Guangzhou City
