E
edohwin
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you can solve it also by changing your opaque to a less sensitive one.
for example ceramco2 opaque with crystals is a criminal opaque and can withstand mostly any small problem like that one.
a friend of mine have use it with vita for more than ten years with no problem at what so ever level.
I may need to try this ceramco2 opaque!! (it works with VITA VMK?) i'll look into it. Thanks.
from pics it looks like metal contamination. All new metal. ( i know one tech uses real cheap NP, discards every button after casting once) clean torch tips, use new crucibles. I always used stones, check with stone manufacturer to be sure binder in stone is OK with NP, on NP and then sandblast with aluminum oxide. then throw in distilled water for a few minutes then dry and heat treat. Please remember distilled water is only clean the first time, if you reuse it is no longer distilled h20. Good luck this kind of stuff is very frustrating.
Funny thing is, ALL our NP is fine. It's the semi precious that bubbles. I'll check on the stones if the new oven doesn't work
Thanks again guys.