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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Smoother Pressings with Yeti Lube for real !
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<blockquote data-quote="sixonice" data-source="post: 18505" data-attributes="member: 2"><p>OK.....if your getting that heavy of a reaction layer, something is obviously going wrong. When was the last time you calibrated your EP500 with Silver? That would be something to look at. Also, in your program, make sure you have nothing in the "N" (re-press time). That should be blank. <img src="/forums/images/smilies/test/burnout.gif" class="smilie" loading="lazy" alt="Burnout" title="Burnout Burnout" data-shortname="Burnout" /> temp should be 1565F. High temp in your EP500 press for a small ring is 925C with a 15 minute hold, a large ring is 930C with a 25 minute hold.</p><p>Reaction layer is a result of heat......period. Excess heat causes excess reaction layer.</p></blockquote><p></p>
[QUOTE="sixonice, post: 18505, member: 2"] OK.....if your getting that heavy of a reaction layer, something is obviously going wrong. When was the last time you calibrated your EP500 with Silver? That would be something to look at. Also, in your program, make sure you have nothing in the "N" (re-press time). That should be blank. Burnout temp should be 1565F. High temp in your EP500 press for a small ring is 925C with a 15 minute hold, a large ring is 930C with a 25 minute hold. Reaction layer is a result of heat......period. Excess heat causes excess reaction layer. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Smoother Pressings with Yeti Lube for real !
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