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topic 18914

Bichromate on brass


2003

We currently machine some brass pressure gauge components. The OEM has specified a BICHROMATE finish for the brass products.

We have not had good results from our plating source as we get some splotches and tiny brown spots on the parts.

Our customer is open to different processes other than the BICHROMATE that is currently specified.

The customer requires:
1) The brass color finish on the part
2) Tarnish resistance over time.

Do you have any recommendations?

Thanks in advance for your reply.

ROBERT DUCANIS
- CAPE CANAVERAL, Florida


2003

1. Clear Lacquer
2. Clear Powder Coat

robert probert
Robert H Probert
Robert H Probert Technical Services
supporting advertiser
Garner, North Carolina
Editor's note: Mr. Probert is the author of Aluminum How-To / Aluminio El Como
and co-author of The Sulfamate Nickel How-To Guide



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