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What chemical is used in etching stainless steel back of watches?

We are doing a business of etching on back cover of watches but our etching result is not so good. So I want a good result. I want to know which chemical will give me good result

KAPIL P PARAJIYA
graphic production - AHMEDABAD, GUJARAT, INDIA
2005

Try 35% ferric chloride ⇦this on eBay or Amazon [affil links] at about 45C. However, it depends on the type of stainless steel and what treatments it has had.

Trevor Crichton
R&D practical scientist
Chesham, Bucks, UK
2005

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