Home /
T.O.C.
FAQs
 
Good
Books
Ref.
Libr.
Advertise
Here
Help
Wanted
Current
Q&A's
Search 🔍
the Site

World's #1 on-line resource since 1989

-----

Nickel-free Black finish for jewelry



2002

G'day all,

We currently produce a bright black finish for fashion jewelry using bright nickel with a thin coat of "Electroblack" to produce the black finish. Problem is we have been asked to produce the same finish "nickel-free" for the European market.

Any ideas on what we could use to produce this finish as we understand that the "Electroblack" is a tin-nickel deposit and would not be acceptable. (for those who do not recognize the "Electroblack" process it is produced by a US Company and is a hot cyanide electrolytic process that works fine except we understand the deposit contains nickel)

Anything anyone could contribute would be appreciated.

bob lynch
Bob Lynch
plating company - Sydney, Australia


2002

The right way to go:

1) Use a white bright Bronze undercoat.
2) Follow with a choice of Ni Free black plated topcoats .
- Black Ruthenium
- Black Gold
- Black Rhodium

Regards,

asif_nurie
Asif Nurie [dec.]
- New Delhi, India
With deep regret we sadly advise that Asif passed away on Jan 24, 2016


help wanted ad
Plating Shop Manager [Salisbury, MD]
Junior Quality Engineer [Santa Clara, CA]
Plating Process Engineer [Wenatchee, WA]

Q, A, or Comment on THIS thread SEARCH for Threads about ... My Topic Not Found: Start NEW Thread

Disclaimer: It's not possible to fully diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories:

 
Jobshops
Capital
Equipment
Chemicals &
Consumables
Consult'g, Train'g
& Software


About/Contact    -    Privacy Policy    -    ©1995-2021 finishing.com, Pine Beach, New Jersey, USA