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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Splitting Moulds
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<blockquote data-quote="Affinity" data-source="post: 295267" data-attributes="member: 1246"><p>I run my moulds up to 900c (or put them in at 900c),then back down to 840c. I think at the suggestion of Chris @ zubler. Dont have any issues with cracking unless the mould is in for 3+ hours. I use GC lisi pressvest for ceramic and Bego bellavest for gold.I also wipe the patterns with alcohol and put the ring in a pressure pot to cure. But every investment is different.</p></blockquote><p></p>
[QUOTE="Affinity, post: 295267, member: 1246"] I run my moulds up to 900c (or put them in at 900c),then back down to 840c. I think at the suggestion of Chris @ zubler. Dont have any issues with cracking unless the mould is in for 3+ hours. I use GC lisi pressvest for ceramic and Bego bellavest for gold.I also wipe the patterns with alcohol and put the ring in a pressure pot to cure. But every investment is different. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Splitting Moulds
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