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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
milled wax + e.max = open margins
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<blockquote data-quote="RDA" data-source="post: 262239" data-attributes="member: 6261"><p>I had the same problem, until I spoke to Kyle Kuhns about it, thanks Kyle. I also use Galaxy 2 investment. He recommended not to use a rapid burnout, the resins in the wax patterns are causing the problem. We switched to a regular(slow) burnout lowering our first phase heat rate also, and having the ring heat soak at the halfway point(650*F - 700*F for us) for thirty minutes. This has fixed the problem for us. If you do place the ring in a preheated furnace, the temperature should not be over 500*F. If you go with a lower resin wax, Kyle suggested slowing your mill down, so the burs don't melt the wax. Hope this helps.</p></blockquote><p></p>
[QUOTE="RDA, post: 262239, member: 6261"] I had the same problem, until I spoke to Kyle Kuhns about it, thanks Kyle. I also use Galaxy 2 investment. He recommended not to use a rapid burnout, the resins in the wax patterns are causing the problem. We switched to a regular(slow) burnout lowering our first phase heat rate also, and having the ring heat soak at the halfway point(650*F - 700*F for us) for thirty minutes. This has fixed the problem for us. If you do place the ring in a preheated furnace, the temperature should not be over 500*F. If you go with a lower resin wax, Kyle suggested slowing your mill down, so the burs don't melt the wax. Hope this helps. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
milled wax + e.max = open margins
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