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| Boro Room -- For Boro-related tips, techniques, and questions. |
2006-08-17, 6:16pm
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Know-it-all Megalomaniac
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Join Date: Oct 22, 2005
Location: Californication
Posts: 6,282
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Encasing Green - problems
Having a hissy pissy fit here...
I'm working with some new blends - and I noticed that one of the testers beads are cracking. Specifically - under a green color...looks like Jade. The breakage is a spiderweb pattern - not a stress fracture (so I know it's not from her holding it out of the flame going "ooohhh aaaahh").
I remembered reading somewhere that some of the greens are tempermental
when encased. Specifically, jade kept on coming up in these posts.
Anyone have any feedback on encasing various boro greens? Is Jade particularly a Be-atch? Is there other greens I should be concerned about?
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2006-08-17, 6:25pm
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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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It's called checking and yes, some greens do it. Basically, the propane in the flame changes the COE of the surface of the glass. This causes stress between the layers and checking occurs. Some greens behave and some don't. I haven't taken the time to figure it out. Checking just sux, so I avoid encasing most greens. I hope this helps. 
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"Truth is, everybody is going to hurt you; you just gotta find the ones worth suffering for." -Bob Marley
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2006-08-17, 6:34pm
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Know-it-all Megalomaniac
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Join Date: Oct 22, 2005
Location: Californication
Posts: 6,282
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Well, it HELPS, just doesn't make me feel any better about this mix.
We're not having problems where the frit was more "worked" into the pieces -
but in the ones where the frit was left mostly whole...yeah..there's checking.
Crap...time to reformulate.....
Quote:
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Originally Posted by Mr. Smiley
It's called checking and yes, some greens do it. Basically, the propane in the flame changes the COE of the surface of the glass. This causes stress between the layers and checking occurs. Some greens behave and some don't. I haven't taken the time to figure it out. Checking just sux, so I avoid encasing most greens. I hope this helps. |
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2006-08-20, 5:14pm
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Know-it-all Megalomaniac
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Join Date: Oct 22, 2005
Location: Californication
Posts: 6,282
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Bumpity - bump - bump.
Anyone else with any suggestions?
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2006-08-20, 6:28pm
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Serenity Now!
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Join Date: Jul 15, 2005
Location: Deep in the woods
Posts: 3,358
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Sorry Karen - wish I could help you out...
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Val Lewis
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2006-08-20, 6:33pm
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Know-it-all Megalomaniac
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Join Date: Oct 22, 2005
Location: Californication
Posts: 6,282
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Quote:
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Originally Posted by FlowerVal
Sorry Karen - wish I could help you out...
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Well goshdarnit - you're just lucky you're cute....
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2006-08-20, 7:24pm
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Serenity Now!
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Join Date: Jul 15, 2005
Location: Deep in the woods
Posts: 3,358
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LOL! 
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Val Lewis
Exclusive distributor for FYI Silver Metal Clay, and excited to be a distributor for CBS Dichroic EXTRACT
Check out what everyone has been talking about...
Art, Colour, Bling & Happy happening here:
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2006-08-22, 12:26am
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Senior Member
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Join Date: Jan 16, 2006
Location: Vancouver Island
Posts: 377
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Ive really been liking evergreen lately. Forest is nioce too.
As a general rule stay away from anything called jade. The old stuff was horrible. The new formula is better but is seems to be batch to batch. If you are going to use it try to do so unencased. ie surface work. Or use small amounts if ur going to case it.
Have fun!
B
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2006-08-22, 9:13am
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Know-it-all Megalomaniac
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Join Date: Oct 22, 2005
Location: Californication
Posts: 6,282
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Bless you B - that's just what I was thinking. I've heard nothing but negative about Jade from people, I just wanted a second (third, fourth) opinion before taking this batch back to formula. Crap - luckily, I only have a small amount made, so it's not a waste.
Thanks!
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Originally Posted by boroburner
Ive really been liking evergreen lately. Forest is nioce too.
As a general rule stay away from anything called jade. The old stuff was horrible. The new formula is better but is seems to be batch to batch. If you are going to use it try to do so unencased. ie surface work. Or use small amounts if ur going to case it.
Have fun!
B
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2006-08-22, 9:28am
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ManBearPig
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Join Date: Jun 28, 2005
Location: Roanoke, VA
Posts: 8,540
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The only green that I've seen that doesn't do it is NS Forest Green. The chrome in the glass changes the COE slightly. They adjusted the COE of the glass itself to compensate for it.
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2006-08-22, 10:17am
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Cat loven Hermit
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Join Date: Dec 31, 2005
Location: Sweet Home, Oregon
Posts: 65
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I have not been to this part of LE and I when I do a question I can answer. If you want to encase jade the best thing to do is have a base of clear, then the jade then clear again. This has help me with the colors that crack when incased. If you want to use jade frit use it is very small amounts.
Hope that helps some.
Kristan
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2006-08-28, 11:22am
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Senior Member
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Join Date: Nov 02, 2005
Location: The netherlands
Posts: 210
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These last couple days I played with some GA#421 Phthalo Green and I had a couple times that these beads did crack 
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Greetings Angelique
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