[TheForge] Old tinware question

[Bruce .]

I really know nothing about this subject, but I'm wondering whether the
green might have been due to nickel oxide (NiO).

Bruce
NJ


On Sat, Apr 19, 2014 at 2:14 PM, Ries Niemi <ries at riesniemi.com> wrote:

> Cad plating has been declining since about 1980-
> I used to work for a speaker manufacturer in the 70's, and even then there
> were starting to be fewer and fewer plating outfits that would do cad, even
> in the industrial heartland- speaker parts in those days all came from
> chicago.
> Aside from military contract work, there are very few places still doing
> cad.
>
> I would totally believe that there was cad plated cookware, in the fifties
> and early sixties.
>
> ries
>
>
> On Apr 18, 2014, at 9:09 PM, Mike Spencer wrote:
>
> >
> > James Binnion <jbin at well.com> wrote:
> >
> >> Not all that long it has only been the past couple of decades that
> >> there was a major effort to curb its use completely and it is still
> >> used in some protective coatings.
> >
> > I did notice that "caddium" coated bolts have been replaced, at least
> > where I buy them, with galvanized ones. Not the heavy dip coating I
> > still see on some rigger's and marine hardware but a light uniform
> > coating.  I worried about heating the cadmium plated bolts.
> >
> > But cookware?
> >
> >> The greenish hue makes me think cadmimum as well.
> >
> > Huh.  Well, further research is required.  Whatever the coating is, it
> > makes for excellently durable cookware. (In my case, cupcake tins and
> > one pot cover, not the pots and pans in which we cook J. Random
> > Foodstuff.)
> >
> > - Mike
> >
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> Ries Niemi
> Industrial Artist
> WWW.RiesNiemi.com
>
>
>
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