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Lab talk, the good, the bad, and the ugly
Porcelain
Best ceramic?
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<blockquote data-quote="Baobabtree" data-source="post: 198929" data-attributes="member: 12298"><p>Are you doing dentine firing separate to your enamel? If so, I'd recommend firing your enamels on the same 1st dentine bake cycle rather than 2nd dentine bake. 945c does sound a little high to me. With VM9, (and zirconia in general, it is a lousy conductor of heat) a slow climb to 935c of around 10-12 mins at 45c/min and a slow cool are required. Something else that I picked up from Al's restouration du jour thread is to add a little correction powder for 2nd dentine bake, maybe 10-20% to your dentines and enamels etc. It works for me.</p></blockquote><p></p>
[QUOTE="Baobabtree, post: 198929, member: 12298"] Are you doing dentine firing separate to your enamel? If so, I'd recommend firing your enamels on the same 1st dentine bake cycle rather than 2nd dentine bake. 945c does sound a little high to me. With VM9, (and zirconia in general, it is a lousy conductor of heat) a slow climb to 935c of around 10-12 mins at 45c/min and a slow cool are required. Something else that I picked up from Al's restouration du jour thread is to add a little correction powder for 2nd dentine bake, maybe 10-20% to your dentines and enamels etc. It works for me. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Porcelain
Best ceramic?
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