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<blockquote data-quote="Al." data-source="post: 141062" data-attributes="member: 382"><p>I have had to increase my hold time I was under firing and not getting clarity in the porc. I think I have a minute and half hold time. </p><p>I think the copings suck the heat away and it is easy to underfire them.</p></blockquote><p></p>
[QUOTE="Al., post: 141062, member: 382"] I have had to increase my hold time I was under firing and not getting clarity in the porc. I think I have a minute and half hold time. I think the copings suck the heat away and it is easy to underfire them. [/QUOTE]
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