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Kum boo query


#1

Hi folks. I have been working on some designs that I want to do in
contrasting color metals and decided to give Kum Boo a try. I
called Allcraft (recommended by someone on this list) told them I was
looking for kum boo foil and ordered some 24K gold foil. It is to be
delivered and their email said it is .005 MM thick. When I ordered
it on the phone I wasn’t paying close enough attention because when I
again looked this up in some books; I fear I may have ordered the
wrong stuff. Charles Codinas book doesn’t mention a specific
thickness but Metals Technic is pretty clear about it being between
.03 and .05 MM thick 24K gold foil. I’m off by a whole decimal
point. I cannot find mention of the technique in Oppi Unttacht’s or
Brephol’s books which is odd… I thought Oppi covered just about
everything under the sun. Anyway do ya’ll think? I can use this
stuff or not. Did I just buy some enameling foil that they renamed
as kum boo foil but is really way to thin?

Thanks as always…
Mark Kaplan


#2

You can layer thin foil. This is not as good as having the heavy
foil if you have the foil, you might as well use it. I have been
told to use three layers.

Marilyn Smith


#3

The summer 2003 issue of Studio PMC has very good instructions by
Celie Fago on keum boo. Here’s the link to the magazine:

http://www.pmcguild.com/newsframes.html

Click back issues, then a list of issues will come up, each with
articles. Click on the one by Celie.

The gold foil from AllCraft is the right stuff, I just bought some
from them and it works great.

Say, I have a question – what are the limits on polishing keum boo
foil once it’s in place?

Thanks,

Elaine Luther
Chicago area, Illinois, USA
Metalsmith, Certified PMC Instructor
Studio 925; established 1992
@E_Luther


#4

Hi Mark I believe that unfortunately you did order the wrong type of
gold foil. I believe that 0.005 mm will be too thin to work with.

I roll my kumboo gold from 24kt gold coins (Canadian Maple Leaf
Coins, 0.9999 gold). I roll the coins as thin as possible on my
mill. I measured my kumboo gold with a digital calliper and it ranges
between 0.04 and 0.06 mm. I have found this gold to work very well
(been doing kumboo for about 10 yrs) and it is a very economical way
to obtain kumboo gold.

Regards
Milt Fischbein
Calgary Canada


#5

Mark,

Allcraft worked with some jewelry artists who use Keum Boo
extensively before they settled on the foil thickness, and it is
specifically designed for Keum Boo work, so I would think it should
work for you. Perhaps there is a typo in their e-mail to you… I’d
give them another call and chat about it before you rule out using
it.

Suzanne

Suzanne Wade
Writer/Editor
Phone: (508) 339-7366
Fax: (928) 563-8255
@Suzanne_Wade1
http://www.rswade.net