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Ted Mooney, P.E. RET
Pine Beach, NJ
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for Metal Finishing since 1989
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Problem with getting bright yellowish finish on brass
2005
Hi there,
we are finding problems in getting bright yellowish finish on our brass products.
we follow the procedure as follows :
1. we dip the parts in to diluted nitric acid
2. give 2 wash in softened water
3. Dip into chromic acid
4. give 2 wash in softened water
the result is redish orange colour but we want bright yellowish color on our items.
what to do, please help.
regards,
Tyre tube Valves & Accessories - India
2005
Dear Rajiv
trail following option
1.mixed 0.5 kg of surya khar per 100 litrs of nitric acid
2.instead of chromic acid use conc. HCl after nitric acid.
test that & tell me a result
regards,
- Mumbai, Maharashtra, India
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