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Gun black A salt (black pearl)
PostTime:2012-5-22 9:16:35    hit:1712
 

Salt A for “Gun-color(black pearl)” Electroplating

                          

 

Properties

1. An elegant and unique “Gun-color” deposit can be obtained on the bright Nickel layer. At present, it is popular on the international market, widely used on light industrial products, such as watches, lamps, leather decorations and so on.

2. The deposit has good hardness and resistance to abrasion.

3. The technique is stable, suitable for both rack- and barrel-plating

 

Technique formulation and operating condition

Potassium Pyrophosphate K4P2O7

200~250g/L

“Gun-color” plating Salt A

25~30g/L

“Gun-color” Agent B

30~40g/L

“Gun-color” Stabilizer 

1~2g/L

Temp.  

40~45°C

PH

8.5~9.5

Anode     

Graphite

Dk 

0.1~2A/dm2

Cathode replacement

Required

              

 
 
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