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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
eMax Internal Fit (White Powder)
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<blockquote data-quote="Affinity" data-source="post: 337605" data-attributes="member: 1246"><p>Pattern not burned out enough, run up to 900c for 15 min. The margins are the tell-tale sign because they are the last portion to be burnt out. Although you didnt really list any specifics of your burnout temp (burnout calibrated or press?),investment, acid? The GC ingot will press different because it doesnt have a reaction layer on it like emax. If you still have it with the GC, then you know youre either not high enough on burnout or pressing too hard, too hot or too long.</p></blockquote><p></p>
[QUOTE="Affinity, post: 337605, member: 1246"] Pattern not burned out enough, run up to 900c for 15 min. The margins are the tell-tale sign because they are the last portion to be burnt out. Although you didnt really list any specifics of your burnout temp (burnout calibrated or press?),investment, acid? The GC ingot will press different because it doesnt have a reaction layer on it like emax. If you still have it with the GC, then you know youre either not high enough on burnout or pressing too hard, too hot or too long. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
eMax Internal Fit (White Powder)
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