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Vivian Volz, RA, CSI, CCS
Senior Member
Username: vivianvolz

Post Number: 66
Registered: 06-2004
Posted on Friday, May 19, 2006 - 06:28 pm:   Edit PostDelete PostPrint Post

I'm embarassed to be asking this. But I have an outside design architect who wants to silver plate some metal trim on some vitrines. (He knows it will have to be polished weekly if not daily. And I'm not in a position to talk him out of this one; I'm saving that particular bullet for something else.)

I remember from my jewelry and silver-tea-service days that there's a thin metal coating that goes over silver plate to slow the tarnishing process, but I can't remember what it is. Does anyone know? Also, how thick should the silver and its overcoat be, to perform at least as well as my mother's tea service? Any help would be most appreciated.
David Cline
Senior Member
Username: dcline

Post Number: 39
Registered: 03-2002
Posted on Friday, May 19, 2006 - 06:34 pm:   Edit PostDelete PostPrint Post

Try Landmark MetalCoat
(877) 863-8252
Vivian Volz, RA, CSI, CCS
Senior Member
Username: vivianvolz

Post Number: 69
Registered: 06-2004
Posted on Friday, May 19, 2006 - 07:12 pm:   Edit PostDelete PostPrint Post

Aha! It was Rhodium.

But I still need help with the thicknesses.

Thanks, David, I'll call Landmark, since I can't view their web site for some reason.
Vivian Volz, RA, CSI, CCS
Senior Member
Username: vivianvolz

Post Number: 70
Registered: 06-2004
Posted on Wednesday, May 24, 2006 - 02:52 pm:   Edit PostDelete PostPrint Post

Got my landmark literature via snail mail today, and it's not what we had in mind. They don't mention silver, just nickel silver. Still need help for actual silver plate.
Don Harris CSI, CCS, CCCA, AIA
Senior Member
Username: don_harris

Post Number: 69
Registered: 03-2003
Posted on Wednesday, May 24, 2006 - 03:13 pm:   Edit PostDelete PostPrint Post

Try one of the listings from ThomasNet

Jo Drummond, FCSI
Advanced Member
Username: jod

Post Number: 5
Registered: 12-2005
Posted on Friday, May 26, 2006 - 11:12 am:   Edit PostDelete PostPrint Post

In my (much) younger days, when polishing the silver was part of the chores I had to do, I remember discussions about some kind of clear lacquer that could be put on silver to prevent tarnishing. It was used on things like tureens, trays, etc. that were displayed but not used much, because the lacquer would come off or get splotchy. I don't know what it was, and it probably wouldn't meet today's volatile emissions rules.
I have custody of a very old CSI Man-Mile trophy which the Los Angeles Chapter won about 35 years ago or more. It is silver plate. It was very tarnished, and I polished it a few years ago to display at our 50th anniversary party. Since then I have kept it in its wooden box shrouded in silver cloth. I looked at it recently and it is still bright and shiny.
This doesn't help much for something that is out all the time, but I enjoyed the opportunity to reminisce!
Melissa J. Aguiar, CSI, CCS, MAI, SCIP
Senior Member
Username: melissaaguiar

Post Number: 37
Registered: 12-2003
Posted on Friday, May 26, 2006 - 11:45 am:   Edit PostDelete PostPrint Post

Just FYI,
My jeweler friend told me that Rhodium was $4,300 an ounce. Probably does not relate to construction market but I thought I would share anyway.
Mario J. Ibanez, CSI, CDT
Username: mariojibanez

Post Number: 3
Registered: 06-2005
Posted on Friday, May 26, 2006 - 12:32 pm:   Edit PostDelete PostPrint Post

A few years ago I sold a product called Microgard by a company called Adsil http://www.adsil.com/ they mix three chemicals that when cured turns into a glass like clear finish for a variety of applications.

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