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topic 3013

Satin nickel plating process


A discussion started in 1999 and continuing through 2020

1999

Q. Dear Sir, I would like your advice on:-

1) SATIN NICKEL PLATING ON ZINC DIE CASTING BASE METAL ELECTROPLATING.
2) An exhaustive trouble shooter for the same.
3) Help to maintain the bath for zinc and copper tolerance and the remedy to it.
4) Help on filtering process and the available media and the sequence of the process. 5) Duration of the emulsifier life etc.

Awaiting an earliest acknowledgement. Thanking you in anticipation.

Manish Yande
- Bombay,Maharashtra,India


A. These answers are usually included in the technical data sheet for the process, Manish. If your vendor cannot supply them, the next best resource might be The Canning Handbook, which has a chapter on satin nickel which covers most of these questions. Good luck!

Ted Mooney, finishing.com Teds signature
Ted Mooney, P.E.
finishing.com - Pine Beach, New Jersey
Striving to live Aloha


1999

A. Satin nickel is a very delicate process. It needs filtering every day, special agitation, etc. As Ted already mentioned, your vendor must have all the answers to your questions (I hope you have a vendor and you are not trying a home brewing product). If not, look for another supplier.

sara michaeli
Sara Michaeli sara michaeli signature
chemical process supplier
Tel-Aviv, Israel



1999

A. Two excellent reference books, one of which is more practical and one of which is more theoretical are:

"Electroplating of Zinc Diecastings" [affil. link to book info on Amazon], S.K. Jalota
"Nickel and Chromium Plating" [affil. link to book info on Amazon], J.K. Dennis and T.E. Such.

These will start you on the beginning of understanding both Nickel Plating and Zinc Diecastings as a substrate.

Ward Barcafer, CEF
aerospace - Wichita, Kansas



To minimize search efforts and to offer multiple viewpoints, we combined previously separate threads onto this page. Please forgive any resultant repetition, failures of chronological order, or what may look like readers disrespecting previous responses -- those other responses may not have been on the page at the time :-)



Satin nickel electrolyte formula needed

1999

Q. I am in need of satin nickel electrolyte formula please kindly cooperate with me.

ebrahim shanaei
general electron - tehran - iran


1999

Q. I want complete know how about satin nickel.

IMRAN MAJEED
AUTOTEC, KARACHI, Pakistan


1999

A. Satin Nickel is quite a complicated plating process. Be happy if you are able to operate such a process with the help of a supplier. Don't try to do a home brewing formula.

sara michaeli
Sara Michaeli sara michaeli signature
chemical process supplier
Tel-Aviv, Israel




To minimize search efforts and to offer multiple viewpoints, we combined previously separate threads onto this page. Please forgive any resultant repetition, failures of chronological order, or what may look like readers disrespecting previous responses -- those other responses may not have been on the page at the time :-)



Satin Nickel on Zinc Diecast

March 18, 2009

Q. LOOKING FOR A STEP BY STEP ITINERARY TO ACHIEVE A SATIN FINISH ON ZINC DIE CAST. I AM CURRENTLY RUNNING A CYANIDE CU. AND A VERY GOOD CUSTOMER OF OURS HAS ASKED THAT I SEND THEM A STEP BY STEP PROCESS. FOR THEIR FILES I HAVE SEEN IN YOUR FINISHING BOOK THAT WE RECEIVE A STEP BY STEP PROCESS BEFORE BUT PRESENTLY I DO NOT HAVE THAT ISSUE AND I AM BEING PRESSED ON THIS ISSUE. THANK YOU FOR YOUR TIME.

RICK SZYMANOWSKI
PRES. OF PLATING CO. - TOLEDO, OHIO, USA


March 20, 2009

A. Hi, Rick. Finishing.com is a website where finishers meet and discuss stuff ... we have no book or magazine (you may be confusing us with Elsevier-owned "Metal Finishing".

I think the easiest, but not the only, way would be to do acid copper plating after your cyanide copper plating, then a conventional Watts nickel, then a proprietary satin nickel that you buy from a vendor specializing in that process.

But it's very important that you and your customer agree on what you mean by "satin nickel" -- to some it apparently means a very fine brushed finish, to some others it means a "bead blast" finish, and to many platers it means a pearlescent finish. Obviously, you achieve these three different finishes by brushing, bead blasting, or special additives.

Regards,

Ted Mooney, finishing.com Teds signature
Ted Mooney, P.E.
finishing.com - Pine Beach, New Jersey
Striving to live Aloha


April 2, 2009

A. Hi Rick, YOU CAN ACHIEVE SATIN NICKEL FINISH FOLLOWED BY DIRECT BRIGHT NICKEL (WITHOUT ANY COPPER) ON ZINC ALLOY DIECAST. YOU CAN FOLLOW UNDERGIVEN STEPS:
1. HIGH ALKALINE CLEANING
2. THREE RINSES
3. 2% SULFURIC DIP
4. THREE RINSES
5. DIRECT NICKEL - WITH 5.2 PH, HIGH CARRIER ADDITIVE , WITH GOOD AIR AGITATION , WITH CURRENT ON WHILE LOADING @ 40 AMPS/SQ.FT. IT WILL GIVE YOU BLISTER FREE DEPOSIT EVEN AFTER SATIN NICKEL OR ELECTROPHORETIC LACQUERING.

SUNIL GADHIA
- RAJKOT, GUJARAT, INDIA



Satin Nickel Plating on Different Base Material

April 9, 2020

Q. Hi,

I want to know the Process differences for Satin Nickel Coating on the following base material,

1. ZAMAK 3
2. Aluminum
3. Low Carbon Steel
4. Stainless Steel
5. Brass

This will help me in understanding what combination of base material and finish will yield the lowest component cost.

Ashwin Bajikar
I am a Mechanical Design Engineer - India


April 2020

A. Hi cousin Ashwin. We have dozens of threads on this site on the subject of "satin nickel plating", and one of the reasons for so many threads is that the world has not agreed on what 'satin nickel plating' is or looks like :-)

To some people satin nickel plating is nickel plating on top of a fine brush finish (although actually done with scotchbrite on a Timesaver sander, not with a brush) -- it looks somewhat like the finish on most stainless steel sinks. To other people satin nickel is what you get when you bright nickel plate a bead-blasted surface -- you might see this on a firearm where some areas are bright and other areas a softer whitish tone. To still others, satin nickel means a soft low-reflection look achieved with co-deposition of microparticles (on automobile windshield wipers for example). Finally, to some, it means a 'pearlescent' look achieved with a proprietary process and microparticle chemistry, and yes, resembling a pearl with sort of a lustre to it rather than a matte look.

Once you know which of the looks you want, it tells you the technologies used to achieve it. Most substrate materials can be 'brushed'; I don't personally recall seeing bead-blasted Zamac, aluminum, or brass -- so I'm not sure if it's possible. To my knowledge, the microparticle matte and pearlescent finishes can be applied (on top of other platings) onto any substrate though.

Regards,

pic of Ted Mooney
Ted Mooney, P.E. RET
finishing.com - Pine Beach, New Jersey
Aloha -- an idea worth spreading

----
Ed. note: Related threads --
40492. Satin nickel plating problems
43239. Is pearl bright nickel the same as satin nickel?
26692. Filtration system questions for satin nickel plating

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