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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Multimat pressing e.Max
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<blockquote data-quote="Darren S" data-source="post: 33458" data-attributes="member: 3089"><p>You will wind up with a reaction layer regardless. I am getting a heavy reaction layer that is a bear to deal with. Sndblasting then Invex liquid in ultrasonic for 20mins or so, then more blasting. May need to drop temp a bit, still experimenting and getting advice from others on different forums. Anyway here's what I am doing in a 100gm ring with one to two objects:</p><p>Start Temp 700c</p><p>Full Vac</p><p>60c/min</p><p>High Temp 925c</p><p>Hold time 10:00mins</p><p>Press time 10:00mins</p><p></p><p>200gm ring increase the hold time to 15:00mins.</p><p></p><p>Will try to keep posted and updated as I get more info from some others out there. I'm confident someone has it down.</p></blockquote><p></p>
[QUOTE="Darren S, post: 33458, member: 3089"] You will wind up with a reaction layer regardless. I am getting a heavy reaction layer that is a bear to deal with. Sndblasting then Invex liquid in ultrasonic for 20mins or so, then more blasting. May need to drop temp a bit, still experimenting and getting advice from others on different forums. Anyway here's what I am doing in a 100gm ring with one to two objects: Start Temp 700c Full Vac 60c/min High Temp 925c Hold time 10:00mins Press time 10:00mins 200gm ring increase the hold time to 15:00mins. Will try to keep posted and updated as I get more info from some others out there. I'm confident someone has it down. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Multimat pressing e.Max
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