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Posted: Thu Sep 04, 2003 12:11 pm
I am working with 90 cof rods - clear - Bullseye - and I'm using a 30 lb tank of Mapp gas - when I make clear beads, the clear looks yellowish. I have done several tests and I still get yellowish ugh! When I used the 1lb canister I did not have this problem. HELP
Posted: Thu Sep 04, 2003 12:21 pm
I think you've posted your question to the wrong Board-- try posting to Wet Canvas or ISGB and they should be able to help you.
Posted: Thu Sep 04, 2003 1:23 pm
I may be way off here but do they make different grades of Mapp?
Sounds like there may be something in the tank or in the gas itself that is causing this reaction, especially since you are not getting the same reaction with the smaller tank.
Posted: Thu Sep 04, 2003 1:56 pm
yellowing often happens when you are working in the wrong part of the flame. I would recommend that you follow Mimi's advice and go to either the glass board at wetcanvas or the bb at isgb.org. That's where most of the lampworkers hang out. They should be able to answer your question super fast.