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Old 04-27-2017, 05:03 PM
Dan Vanantwerp Dan Vanantwerp is offline
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Loetz Gold

Hi, I've contacted SP about the availability of Golden Yellow from Ullman/Loetz. They don't have anymore and their supplier is out of business. Who was making this glass color anyway?

I thought I would try iris orange as a replacement but it's just not the same. Suggestions would be much appreciated.
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Old 04-27-2017, 05:56 PM
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I have this interesting unpopular concept. Learn how to make it.

Mark is on Titanium melt 33.
This is before teaching the Penland class.
There are about six people I can count on two hands who understand this shit. What exactly are you going to do when they die off? Croucher is 70. I'm near that. We're all talking retirement. I'm one of the young ones at 67.


Mark is 80 years old.
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Old 04-27-2017, 06:28 PM
Jordan Kube Jordan Kube is online now
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Write that shit down! At least leave us some notes anyway.

Pete, how do you find the titanium affecting the viscosity?
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Old 04-27-2017, 06:47 PM
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Learn to make it yourself, or become a slave to eBay.
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Old 04-27-2017, 06:50 PM
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...and Etsy.
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Old 04-28-2017, 07:26 AM
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Pete VanderLaan Pete VanderLaan is offline
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Quote:
Originally Posted by Jordan Kube View Post
Write that shit down! At least leave us some notes anyway.

Pete, how do you find the titanium affecting the viscosity?
*******
Titanium is easy to melt. It's the alumina content that triggers all the action. We melt around 2275-2300F Every preconceived notion you have about glass is wrong with this stuff. We have the expansion nailed and it's very glassy. We're really choosing which one to use at this point and it's a nice set of choices. I hope to have some actual bar in June. We have yet to really do things like barring it up, sticking it in a lehr, heating it slowly..Those are things which can yield some surprises as glasses leave the reservation. There are some glasses that just behave oddly when you roll them on a marver. We do know to not let it fall below 2000F.
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Old 04-28-2017, 07:29 AM
Eben Horton Eben Horton is offline
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Im embarrassed to say that i have never heard of this golden yellow color or the maker of it..

What is this stuff?
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Old 04-28-2017, 09:28 AM
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Pete VanderLaan Pete VanderLaan is offline
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I can tell you that it's simply fritted in water which ought to leave a bazillion bubbles in it. It's not how I'd make frit.

There are all these tiny color makers now that are melting in cullets, both boro and soda lime. I would be suspicious of claims on mismatch. I had one guy who was making Hagy seals which are supposed to have both end welded and to leave the central section free floating. He was fusing the entire seal which will teach you nothing. After he described that to me and I pointed out the problem, he simply stopped getting pots from us.
The boro people are equally impenetrable as well, maybe more so. At 100 dollars a pound, they certainly have their niche.
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Old 04-28-2017, 09:29 AM
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Well I hate to admit it but I knew they where going out many moons ago and purchased up SP's remaining stock. I also have quite a bit of the green and gold brown. They do not work the same but well enough to get what I am looking for.

I use if for a very specific effect. I have pretty much what I need for the rest of my glass blowing career I would guess. I might run out but I doubt it.

As for Eben's question it is a glass, in my application, that reacts to stannous chloride like nothing I have ever seen or expect to see in the near future. Maybe one day I will get with Pete and figure out what it is that makes it go completely mental in this application for me but right now I have enough for me not to care.

It however is not a 96 COE but is somewhere close but higher. Is stiff as a duro if you apply a lot of it and overall not a pretty color until you reduce/fume it. It is quite amazing once you do however and is only worth it's salt as an exterior application.

It will reduce but not a well as others I have in my quiver. It's magic for me is in the stannous application. The yellow gold reduces similar but not as well as the luster red from gaffer without the red backing on a clear.

Last edited by Scott Novota; 04-28-2017 at 09:36 AM.
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