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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Help, new to pressing
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<blockquote data-quote="ztech" data-source="post: 339139" data-attributes="member: 3022"><p>I would add more hold time also. For LiSi I have a 25 min hold at temp, the press time is less than 2 but it is automatic. (Zubler Vario Press 300) The most important thing now is to make 1 change and not a large change to dial it in to a perfect pressing. The reaction layer is caused by the time the glass is molten and in contact with the mold. The faster you can press the mold and get the material into a solid state the less the reaction layer.</p></blockquote><p></p>
[QUOTE="ztech, post: 339139, member: 3022"] I would add more hold time also. For LiSi I have a 25 min hold at temp, the press time is less than 2 but it is automatic. (Zubler Vario Press 300) The most important thing now is to make 1 change and not a large change to dial it in to a perfect pressing. The reaction layer is caused by the time the glass is molten and in contact with the mold. The faster you can press the mold and get the material into a solid state the less the reaction layer. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
All Porcelain-Press
Help, new to pressing
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