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Manganese coating
2006
i) How can roughness of Manganese coating be controlled?
(ii) What can be added to the bath to control Red Spots/Rust on components after 24 hrs.
We are adopting the following procedure?
* Components are MS pipes about 1 ft. long and 1 and 1/2 inch diameter.
* Oil cleaning -> water rinse-> water rinse
* Refining -> Mangenese Phos.-> water rinsing -> Hot water rinsing->oiling
Hem Tewari
Shri Metchem - V.V. Nagar, Gujarat, India
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