Copper Brightener for Cyanide Copper Solution

Product Overview

Description

 Brightener of Rolling Plating and Hanging Plating

1. Feature
1. Bright and smooth coating, the crystallization of dense, small gap;
2. Wide range of current density, excellent coverage;
3. Impurities in high-tolerance, easy to control;
4. Selected to use in basic parts of different material, especially for zinc alloy die castings;
5. You can use Sodium salt to make up plating solution, low-cost.

 

2. Conditions and Compositions of Bath  

 

Material and Condition	Range
	Zinc alloy	Iron parts
Copper cyanide	37-65 g/L	40-50 g/L
Sodium cyanide	70-95 g/L	60-75 g/L
L-5 Neochel	40-60 ml/L	30-55 ml/L
L-3 brightener	5-7 ml/L	5-7 ml/L
L-4 auxiliary agent	5 ml/L	5 ml/L
Cathode current density	0.25-3A/dm2	1.5 A/dm2
Anode current density	0.25-2A/dm2	1 A/dm2
Temperature	50-65℃	55
Baume	10-15	12
Anode	Purple Copper