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Lab talk, the good, the bad, and the ugly
Zirconium
Small 4 unit but heavy bridge cracking
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<blockquote data-quote="JKraver" data-source="post: 357078" data-attributes="member: 13886"><p>What is your porcelain oven program? You are probably cooling/ heating too fast. </p><p>Mine is like 400 rest 25-30*/min rise, 750 high temp, 1-5 min (depending on size) hold, 25-30*/min down to 400. I use a P310. It takes like 45 min to fire my bridges.</p></blockquote><p></p>
[QUOTE="JKraver, post: 357078, member: 13886"] What is your porcelain oven program? You are probably cooling/ heating too fast. Mine is like 400 rest 25-30*/min rise, 750 high temp, 1-5 min (depending on size) hold, 25-30*/min down to 400. I use a P310. It takes like 45 min to fire my bridges. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Zirconium
Small 4 unit but heavy bridge cracking
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