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#76
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That glue gave a certain glass artist a brain tumor the size of an orange.
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<eben epoiese> |
#77
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#78
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I cannot , nor would I tie my observations to any specific material on the market. I would continue to say that my friends in my age group continue to drop dead from alcohol and tobacco. That being said, to my friends who are far younger, don't get cocky. Death is really forever and it comes at you fast.
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Where are we going and why am I in this basket? |
#79
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Quote....
t's true of Lead arsenates as glass powders which will give you substantial headaches in short term exposure. Fluorine is at the top of the big "C" .... Pete it may be difficult to quantify but how long after exposure do you get the headaches. Say a one time per month exposure for a few minutes. Yes it’s better to use a good mask but I am curious about the headaches. Franklin |
#80
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not to mention the PIA...
In most arsenate exposures I hear about, the headache is for minor exposure a few hours after a session. Chuck used to talk about doing full melts and having flu symptoms the next day all day. I've never been hammered by it but I'm cautious. My dad thought I had a bout with antimony once but it was never proven. I sure was sick. I don't recall what Kenny has said about it. Hugh Jenkins was fortunate to live through it and it took Chelation therapy for a long time. RIT was shut down over that episode. Sweet smell.
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#81
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R-61 sure does throw off that sweet smell. I stopped using it for a lot of things and switched to coconut and eco white.
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<eben epoiese> |
#82
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When I was a beginner at Pratt, the lampworkers, who worked right beside the blowers, were heavily into lusters. I'm sure we sacrificed a few brain cells breathing the fumes from those. I think TC got them to ban their use at Pratt.
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#83
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Sky, Larry said he's using oxygen and propane with his torch. I'm not sure what you mean about the "by-products" being deadly. It's very common for home appliances to use that mix, my homes hot water tank for instance, and it has just a 2"dia. vent pipe - no fans. I'm with you on the gold and silver fuming though. Seems like you'd burn your face off before any of the hot vapors/fumes got to your lungs. With the torch blowing the fumes at the marble, any of the fumes that don't stick probably solidify into tiny dust particles and end up as boogers or just float away. If anyone is still convinced this is dangerous and will end up in your body,... drink a glass of milk before and after your session,...it'll come out in your poop ![]() |
#84
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I'm actually considering absorption through your skin. If you do think it's not possible to get it through your lungs, I'd point to studio workers who get Arsenic issues with enamel whites.
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#85
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Last edited by Larry Cazes; 04-29-2018 at 05:55 PM. |
#86
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"Technique is just a means of arriving at a statement." - Jackson Pollack |
#87
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I have no dog in this fight. I simply encourage awareness.
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Where are we going and why am I in this basket? |
#88
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#89
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#90
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I didn’t know,...the oxygen I thought was to help with a more complete thorough burn and anything left evaporated pretty quick. Got any idea what a safe level of exposure to an open torch flame is before it becomes deadly?
I was hoping to avoid building a hood and that ventilation would be enough. Here’s a link to a photo of my work area. ........... Its in the shop loft/mezzanine which has a 5700cfm gable exhaust fan and 3 windows. Btw Larry, that GTT looks HOT!! Last edited by Lawrence Duckworth; 05-01-2018 at 05:14 PM. Reason: Removed link, gonna build a hood :) |
#91
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I'm going to say what you have looks good. Just make sure you have adequate make up air to keep that exhaust fan from cavitating. If your concerned light a smoke bomb off where your torch is and see what happens. Sometimes looks can be deceiving and wind eddies swirl in your workspace. I have to admit I worked for years in a shop that always had that unmistakable smell of unclean air. We had few exhaust fans and tremendous amounts of torches. It didn't kill me but knowing what I know now I would have remedied the situation or worked nights when I was the only one running fires. We lost a very talented lampworking artist a few years ago when he closed himself in a unventilated shop during the winter and passed out. It brought a lot of awareness to the community. First thing everyone said was it must have been the fuming but with research and toxicity reports it turned out it was in fact a combination of poor health and NOx. We only get one life to live. I have 3000 cfm exhaust fans over each torch and two over the big lathe. I used the largest bell reducer I could find to bring it down over the torch like a hood and reduced it to the 18" fan. All the fans run into one plenum and exhaust to the back of the shop. I'll be honest and say the shop also has a large gable fan and huge barn doors in the front. I often only run the one big fan unless the task will take several hours or I'm working on the lathe. I gave up my last contract job building olfactometry equipment years ago to dedicate my time for my true love of working offhand. |
#92
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Okay Sky... I realize I may not be the only person using this area someday. maybe my granddaughters...Gonna build a hood.
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#93
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Better safe then sorry.
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#94
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They are hot but actually more comfortable to work around then other designs. The second set of oxygen ports sheath each candle in oxygen which if used correctly reduces the amount of ambient heat. High pressure, low volume, and very efficient.
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#95
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here are the results of using 10/14k gold...tried to fume yesterday... |
#96
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Nice Larry! Try less fume and I think you will find more color. Also if you back the sphere with a dark color like cobalt Blue or black you will achieve a different color palette. I do this with all of my fumed weights.
Last edited by Larry Cazes; 06-04-2018 at 08:01 PM. |
#97
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Thanks Larry! I really appreciate you help.
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#98
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Anytime. If you make it out to Silly Valley please plan to come by my shop and we can play with some fume and opals.
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#99
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Hey Larry, thanks for the invite.
I’ve tried a few fumed marbles with good silver and 24k gold and am NOT getting the color results I hoped for. I’m using a #5 tip on a cutting torch and getting good colorful deposits but things go south after that. I’m either burning it off or after doing the pin impressions the piece is too cold for the fume to stick to the area the pins cooled???; I’ve used just a dab of silver befor adding gold (Sky recommended) what do you think? Thanks! Last edited by Lawrence Duckworth; 06-11-2018 at 10:56 PM. |
#100
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Last edited by Larry Cazes; 06-11-2018 at 07:36 PM. |
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