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Boro Room -- For Boro-related tips, techniques, and questions. |
2011-02-15, 8:51pm
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Alaska Boro
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Join Date: Dec 10, 2009
Location: Anchorage, Alaska
Posts: 1,065
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Gold Fuming - Encasement?
Other threads indicated that a gold fumed boro bead will not stand up to wear. Should such a bead be made for sale or should it be encased to prevent any surface abrasion of the gold fumed coating?
Noticed a number of beads on Etsy that are sold non encased. Good idea or not?
This bead (14.73 mm OD x 8.75 mm thick on a 3/32 inch mandrel) has not been encased and all the gold is on the surface. How tough is the thin gold coating? Noticed a number of beads on Etsy that are sold non encased. Good idea or not?
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2011-02-15, 9:26pm
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Borovangelist
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Join Date: Jan 26, 2007
Location: Auburn, MA
Posts: 3,002
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I haven't done it myself, but from what I hear it will indeed wear off with time and fondling.
You can try encasing it, but may accidentally burn it off in the process. I could have sworn I heard of some folks putting a thin layer of lacquer over them to seal them, but I might be wrong.
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-Tom
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2011-02-16, 6:03am
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Pyromaniac
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Join Date: Jun 27, 2006
Location: Out there on the interwebs
Posts: 1,784
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I've done some near-opaque gold fume pieces, and I have to say that while it may rub off over time, it's on there pretty good. I make sure the surface of the glass is nice and hot when it receives the first coat of fume, and I 'cook it in' a little before I lay on my final coat(s) of fume as well. I've heard tell that laying down a light coat of silver fume may help the gold stick better as well but I haven't done that.
As always, YMMV, but the pieces I've made are holding up well despite all the fondling they receive from my delighted (and delightful) girlfriend. If you're selling them maybe an explanation that gold is a soft metal and the very thin layer on the surface of the glass may become damaged over time if care is not taken?
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Chris Scala
Fortune Cookie say, "When things go wrong, don't go with them!"
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2011-02-16, 2:36pm
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ManBearPig
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Join Date: Jun 28, 2005
Location: Roanoke, VA
Posts: 8,540
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22k gold will stick better than 24k gold, although both will wear off over time.
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2011-02-18, 8:33am
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Formerly Bakerman44
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Join Date: Dec 02, 2010
Location: Shreveport, Louisiana
Posts: 316
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Quote:
Originally Posted by menty666
I haven't done it myself, but from what I hear it will indeed wear off with time and fondling.
You can try encasing it, but may accidentally burn it off in the process. I could have sworn I heard of some folks putting a thin layer of lacquer over them to seal them, but I might be wrong.
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pretty awesome idea, dude.
and also..that bead is awesome. just clear? and gold fumed on top?
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2011-02-18, 5:53pm
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Alaska Boro
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Join Date: Dec 10, 2009
Location: Anchorage, Alaska
Posts: 1,065
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Appreciate the comments. Looks like in the product description there will be a disclaimer as indicated. And just may have to make up a few for samples and see how they hold up.
The bead is made with Simax over a small black core. Then fumed on top. Without the back one ends up with a rose bead.
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2011-02-20, 12:39pm
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boro color bender
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Join Date: Jun 06, 2005
Location: The Oregon coast!
Posts: 10,039
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string a few and throw them in your pocket for a few days...
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2011-02-20, 3:42pm
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Alaska Boro
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Join Date: Dec 10, 2009
Location: Anchorage, Alaska
Posts: 1,065
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Will burn a few and try the pocket test. Or even leave them there while in the washing machine!
Also a bead with a black core and then a twisty made from a paddle with gold fumed on one side and silver on the other makes for a most interesting spider web look.
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2011-02-21, 6:37am
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Senior Member
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Join Date: Mar 02, 2009
Location: coastal ri
Posts: 108
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just rub it with your fingers, you'll see the gold rub off. it needs to be encased and then you don't really get that sheen.
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2011-02-24, 7:18am
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Member
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Join Date: May 03, 2008
Posts: 75
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Gold fuming
All the gold fuming I've done is shows up pink, not gold.....same holds true with my instructor who taught me how to do it. Am I doing something wrong? Or is it the materials that we are using? I got my gold sheets from Wales.
I've been off my torch for the last 6 months due to traveling and mostly the winter weather. My set-up is in the unheated garage and this has been one heck of a cold winter.
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2011-02-24, 12:32pm
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Senior Member
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Join Date: Nov 06, 2005
Location: Austin - Texas
Posts: 2,708
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Quote:
Originally Posted by eej713
All the gold fuming I've done is shows up pink, not gold.....same holds true with my instructor who taught me how to do it. Am I doing something wrong? Or is it the materials that we are using? I got my gold sheets from Wales.
I've been off my torch for the last 6 months due to traveling and mostly the winter weather. My set-up is in the unheated garage and this has been one heck of a cold winter.
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depends on what color you are backing it with, and whether you are using an oxydizing or reducing flame to fume with. all of those will effect the color.
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Eric
The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing. ---- Albert Einstein
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2011-02-25, 6:31am
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Pyromaniac
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Join Date: Jun 27, 2006
Location: Out there on the interwebs
Posts: 1,784
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To get a gold sheen like the picture I posted, I use a neutral to oxidizing flame and laid it on pretty thick. More on the oxy side than neutral but not real hissy. You can try laying a light silver fume down first too, I've heard that helps.
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Chris Scala
Fortune Cookie say, "When things go wrong, don't go with them!"
Current Glass-Melting Apparatus:
GTT Lynx powered by 2 5 LPM Oxycons and
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2011-02-28, 11:34am
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Junior Member
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Join Date: Feb 25, 2011
Posts: 4
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I was told that you can fume with either 22kt or 24 kt gold both with diffrent effects but 24 wont stick as well unless u fume silver first then lay on the 24. I have fumed the outside of a couple pieces before with silver to see if it would work without having to open up the tube to fume it and close it up again. It looks cool but does rub off when handled
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2011-03-09, 1:29pm
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Junior Member
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Join Date: Dec 04, 2010
Location: Rum District, MA
Posts: 9
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I wonder if you could paint and fire a clear enamel over the bead. That way you would maybe be able to keep the gold metalic color. Anyone know if that's possible?
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2011-03-09, 3:56pm
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Senior Member
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Join Date: Nov 06, 2005
Location: Austin - Texas
Posts: 2,708
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I have seen some pieces done that way with the painted on stuff, and I think they look kind of cheap. Hopefully, you will have better results.
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Eric
The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing. ---- Albert Einstein
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2011-03-10, 11:52am
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Junior Member
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Join Date: Dec 04, 2010
Location: Rum District, MA
Posts: 9
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Can you elaborate? Was the enamel scumming up, not very clear, crackling? I haven't experimented with enamel paints yet.
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2011-03-10, 3:13pm
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Marbles, dude, Marbles
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Join Date: Jan 06, 2007
Location: Coral Springs, Florida
Posts: 653
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Bottom line - fume on about $1500 worth of gold and with that kind of thickness maybe it will last a lifetime.
Know why the bazillionaires' cars don't have gold motors? Gold (a metal) is not good for certain uses. Know why China is slowly and silently buying up the world's supply of gold? So that they can very heavily fume the pipes that they make, ship them over here, and turn us all into potheads.
Many years ago I made a male organ with gold balls. To get them gold I bought a bottle of 'liquid gold' from Wale that was made by Engelhard (I think that's the right name). I painted it on with a little brush and then annealed it and it came out shiny gold. I don't know how well it would hold up with alot of touching (not into 'pocket pool') but it's something you can try.
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2011-03-10, 4:14pm
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geekitude on two wheels
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Join Date: Aug 07, 2007
Location: Ottawa, Canada
Posts: 678
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That liquid gold stuff is the same as the porcelain/ceramics people use - hand wash only, blah blah, but still stands up to wear reasonalby well. That is if you fire it correctly, if you fire it too low it will rub off almost right away.
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-jen
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