Metal finishing Q&As since 1989
-----
Plating on Lead bronze Alloy - LB2
2007
We are one of the electroplaters in Bangalore we need to know the pickling Procedure for Plating on LB2 Alloy.
The composition of the base is as follows ;
|
BS |
LB1 |
LB2 | ||
|
Element |
Min % |
Max % |
Min % |
Max % |
|
Copper |
Rem |
- |
Rem |
- |
|
Tin |
8.00 |
10.00 |
9.20 |
11.00 |
|
Zinc |
- |
1.00 |
- |
1.00 |
|
Lead |
13.50 |
16.50 |
9.00 |
10.50 |
|
Phosphorous |
- |
0.10 |
- |
0.05 |
|
Nickel |
- |
2.00 |
- |
2.00 |
|
Iron |
- |
- |
- |
0.15 |
|
Aluminium |
- |
- |
- |
0.01 |
|
Manganese |
- |
- |
- |
0.20 |
|
Antimony |
- |
0.50 |
- |
0.50 |
|
Silicon |
- |
- |
- |
0.02 |
|
sulfur Niobium |
- |
0.10 |
- |
0.10 |
|
Impurities |
- |
0.30 |
- |
0.50 |
Any information on this we would be of high interest to us.
Shreesha Acharya PManager - Bangalore, Karnataka, India
That amount of lead will absolutely require the use of a fluoboric (not HF) for the etch step.
James Watts- Navarre, Florida
2007
Jim is right, you need a fluoboric acid dip
Sara Michaeli
Tel-Aviv-Yafo, Israel
2007
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