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Need a chromated Anti tarnish treatment for Silver plated parts




We are looking for anti-tarnish treatment to meet the requirements of QQ-S-365 [from DLA] .

Mussadiq Hussain
Plating Shop - Sun Valley, California, USA
2005


How to test for Silver Anti Tarnish treatment?

RAJESH KUMAR
Plating shop employee - Singapore
October 18, 2011


"The Colouring, Bronzing & Patination of Metals"
by Hughes & Rowe
coloring_bronzing
on eBay or Amazon
or AbeBooks

(affil link)
December 18, 2011

After silver plating, pls try
first, 4 gr/lt Na K tartrate
2x rinsing
5% acetic acid ⇦ on eBay or Amazon [affil link]
2x rinsing
You will see difference or if it is not enough for you, you can go to electropassivation with 0.5 amp/dm2
regards

Dr. Halim Polat
- Istanbul, Turkey


I know what it is
how can I help you ?

Dr Halim Polat
- Istanbul, Turkey
January 8, 2012




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