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Disintegration of silver paint in satin gold bath

October 21, 2008

Dear sir,

Now we are using silver spray painting for wax surface conductivity covering for satin gold idol. In this method silver paints are disintegrated in some spots while process during 4 hours. so how to solve this problem. what is problem causing in bath due to disintegration of silver paint?
Before we had done the same process in manual painting instead of spray painting.during this process we are not facing this problem. but we are not getting high production. for increasing the production we have doing spray painting.

Saravana Babu
employee - Coimbatore, Tamilnadu, India

October 30, 2008

As you can realize painting by hand normally results in a greater paint thickness, as opposed to spray painting. I would try increasing the spray thickness, or go to a higher quality conductive spray paint.

Mark Baker
Process Engineer - Syracuse, New York

October 31, 2008

Or the 2 components are not mixing properly in the spray mode.

James Watts
- Navarre, Florida

January 4, 2009

Dear Saravana,

1.If you are using a silver spray paint,apply more thickness.
2.If you are using reduction method,check the formulations and make sure is reducing at the right method.
give less current and agitation to the gold bath till entire work is plated first and then increase current agitation.
To your question if the disintegrated silver dissolves by any chance in the gold bath the caratage of the deposit lowers and the colour of the deposit will change.Usually,the disintegrated silver floats on the top and can be removed with the help of a sieve.

t k mohan
T.K. Mohan
plating process supplier - Mumbai, India

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