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topic 7321

Troubleshooting Ideas for a Variety of Finishing Processes


Our Company is offering the following Electro-plating services such as Passivation, Barrel Polishing, Electroless Nickel Plating for aluminum, brass and steel, Electro-Deposition for aluminum and steel, Chromating, annealing, Copper Nickel Barrel Plating and so on.

I want is to provide me information on how to prevent the following problem:

1. Brown Stain
2. No Coat
3. Deformation
4. Dull Appearance
5. White Stain
6. Rust
7. Lot Mixing
Dhon Erot
- Laguna, Philippines


Hi there,

I am having the same problems with my plating processes, especially white stain. Have you came up with the solution to prevent this issue from happening?

Best regards,

- Melbourne, Australia


(Full name next time, please, Charn; this isn't an anonymous service). Plating is very complex, and it would take a whole finishing library to describe the most likely causes for a wide variety of defects across a number of finishing processes. But Larry Durney's "Trouble In Your Tank" is perhaps the shortest route to those answers. Good luck.

Ted Mooney, Teds signature
Ted Mooney, P.E.
Pine Beach, New Jersey

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