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by Lynne Chappell
Fri Mar 26, 2004 2:26 am
Forum: Techniques and Tools
Topic: Technique for stenciling colored powders
Replies: 14
Views: 8413

There are two brands that I've used - the sign painters used to call it "grip mask". The Spraylat ends up like a plastic sheet, so it pulls up easily, and holds its edge fairly well. Under sandblasting, if you want the edge to slowly degrade, then the Akzo brand works better - its more rubbery. I've...
by Lynne Chappell
Tue Mar 23, 2004 1:33 am
Forum: Techniques and Tools
Topic: glass memory?
Replies: 8
Views: 4611

The note says slumped at 1375 at 750 per hour. Really? That's too fast. And if you were going that fast below 1000 then it's really too fast. I'm not a believer in "tearing". I'm pretty sure that's a crack that opened up. I think after all those firings, that you had better just start again to test ...
by Lynne Chappell
Tue Mar 23, 2004 1:13 am
Forum: Techniques and Tools
Topic: It's raining pins
Replies: 9
Views: 6067

I had an older top fire kiln start dropping pins all over my work (not a Paragon). Drove me crazy for quite a while. Put them back, a while later they would drop again. I didn't know about the glue, but eventually I took the lid off, put it on the table and pulled out all the pins. I reinserted them...
by Lynne Chappell
Fri Mar 19, 2004 12:35 am
Forum: Techniques and Tools
Topic: Warm Glass Dictionary
Replies: 43
Views: 27707

thoughts on d-k KlyrFire is actually made as a medium for enamels and is only incidentally used as a glue. Flux - in soldering it has the same purpose as in melting glass, it lowers the melting temperature of the solder and allows it to flow. Dichroidic - I've never seen it spelled this way, only as...
by Lynne Chappell
Fri Mar 19, 2004 12:02 am
Forum: Techniques and Tools
Topic: Warm Glass Dictionary
Replies: 43
Views: 27707

Couple of thoughts on a-c: Blister - perhaps should be bubble on the surface of the glass rather than "within" the glass Borosilicate - also used extensively by lampworkers doing sculptural work, bracelets, pipes, even beads. Pyrex is a borosilicate glass. COE - I'm probably going to get in trouble ...
by Lynne Chappell
Thu Mar 18, 2004 11:35 pm
Forum: Techniques and Tools
Topic: Need help with a Skutt Kiln
Replies: 8
Views: 6315

I think they were making that one up to a few years ago. Probably sold new for maybe 600-700 dollars. Make sure the brick isn't crumbling and the element is solidly pinned in place with nothing looking like it's ready to fall out or has fallen out in the past. But I'm almost positive it should have ...
by Lynne Chappell
Sat Mar 13, 2004 3:31 am
Forum: Techniques and Tools
Topic: Pigment of my imagination?
Replies: 34
Views: 19186

Re: Pigment of my imagination?

he went on to state that other glass companies, like bullseye and uroboros, tend to use a chemical means to make the ring mottles.[/quote]

I'm sure I have heard Bullseye say that their ring mottles are a result of a temperature treatment, and therefore disappear on reheating.
by Lynne Chappell
Thu Mar 11, 2004 1:14 am
Forum: Techniques and Tools
Topic: Pigment of my imagination?
Replies: 34
Views: 19186

clip: Sometimes I think that's why it's such a mystical color, it doesn't truly exist, it's an illusion. The Murex Snail Protection League's going to flame you for that. http://members.lycos.co.uk/Mollusks/kunst/haupt.html OK Ron, how do you do that? I'm puzzling over the reference and you come up ...
by Lynne Chappell
Thu Mar 11, 2004 1:04 am
Forum: Techniques and Tools
Topic: lbs. glass = sq.inch
Replies: 17
Views: 7938

Wow, I'm going to have to print that out. I'm OK with math, but that boggles the mind. I think the 1.62 lbs/sqft for 1/8" thick glass will do for me. Actually, if you round it off to 1.5 you can do it all in your head. Double thick= 3 lbs, 4 layers = 6 lbs, etc. I have noticed when weighing glass ro...
by Lynne Chappell
Thu Mar 11, 2004 12:56 am
Forum: Techniques and Tools
Topic: Fine/Thin white cut line on glass?
Replies: 12
Views: 5457

There is one other possibility. Opals can sort of separate when they melt and the outside edge can be a different color than the center. BE French Vanilla leaves a white edge around the outside for instance.
by Lynne Chappell
Tue Mar 09, 2004 1:35 am
Forum: Techniques and Tools
Topic: Cutting Spectrum Baroque - total frustration
Replies: 27
Views: 18166

Just one remark about breaking quickly rather than slowly. If the cut is tricky, or the piece very narrow, I will always breakout VERY slowly and gently, giving the glass time to follow the score, instead of taking its own course. And I do prefer a running plier for long narrow strips. (I like my Fl...
by Lynne Chappell
Tue Mar 09, 2004 1:18 am
Forum: Techniques and Tools
Topic: Pigment of my imagination?
Replies: 34
Views: 19186

Everyone wants shades of purple that don't exist. If you stop and think about it, not only is it tricky to find the right metals to tint glass, but these shades are at the end of the visual spectrum. We tend to think of color in a circle, like the color wheel. You know: Blue, Bluepurple, Redpurple, ...
by Lynne Chappell
Tue Mar 09, 2004 1:03 am
Forum: Techniques and Tools
Topic: Hi Fire Question
Replies: 21
Views: 12123

OK, now I'm confused. Welders glasses are usually green. Aren't amber filters generally for ultraviolet, not infrared? I use No. 3 welders glasses for looking in the kiln (at least they are on the table beside my kiln and really I do use them when it's not just a quick peek), not my lampworkers glas...
by Lynne Chappell
Mon Mar 01, 2004 2:33 am
Forum: Techniques and Tools
Topic: float fusing question
Replies: 5
Views: 2905

Bert, do you use an overspray? I had thought that devit was less likely if you went quickly to a higher temperature, rather than soaking for a long time at lower temperatures.
by Lynne Chappell
Mon Mar 01, 2004 2:29 am
Forum: Techniques and Tools
Topic: Duraboard firing?
Replies: 8
Views: 5474

The rigidizer is a ceramic product that has to be fired to achieve its properties. I think 1350F. Then you must kilnwash it or the glass will stick. I use the duraboard without the rigidizer. Glass doesn't stick, a little fiber comes off each time but washes right off the glass. The texture is quite...
by Lynne Chappell
Mon Mar 01, 2004 2:22 am
Forum: Techniques and Tools
Topic: tempering textured float
Replies: 13
Views: 6628

The remark about uneven thicknesses at the edges would explain a lot of my problems. Keeping the edge thickness the same would undoubtedly be a benefit. Two of the tempering plants here won't even touch anything with texture, even textured sheet glass. They don't want to have to clean up the mess. A...
by Lynne Chappell
Mon Mar 01, 2004 2:14 am
Forum: Techniques and Tools
Topic: kugler color
Replies: 14
Views: 10256

I just bought some Iris Gold and Silver Blue reduction colors for lampworking and was told that it was 93-94 COE.
by Lynne Chappell
Fri Feb 27, 2004 1:07 am
Forum: Techniques and Tools
Topic: tempering textured float
Replies: 13
Views: 6628

There is a huge difference from one tempering plant to another. Don't send them a really great piece on your first try with them. I've had nothing but disaster with tempering, but then I don't need too many to blow up before I refuse to try again.
by Lynne Chappell
Fri Feb 27, 2004 1:00 am
Forum: Techniques and Tools
Topic: sandblasting
Replies: 25
Views: 15437

Well, my 15 HP compressor puts out 41 cfm. The nice industrial 5 HP compressor that I used to use (a real 5 HP, not the hobby kind), only put out 17 cfm. That was really borderline to power a 100 lb pressure pot. So of course we went to overkill on the upgrade, but it hardly ever turns on, even thou...
by Lynne Chappell
Fri Feb 27, 2004 12:48 am
Forum: Techniques and Tools
Topic: WORKING WITH COPPER
Replies: 7
Views: 4968

Perhaps his "dark purple" is your "dark red". It does turn purply red under clear, normally.

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