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<p>[QUOTE=&quot;Conder101, post: 2930308, member: 66&quot;]The blanks HAVE to be washed after annealing. (And there is no reason to wash them before annealing) The annealing is a high temperature heating (That&#039;s your 1000 to 1650 degrees).&nbsp; This causes oxidation scale to form on the blanks.&nbsp; That has to be removed.&nbsp; The drying is done at a MUCH lower temperature&nbsp; (Maybe 140 degrees tops.&nbsp; You are just trying to dry them, no reason to use high temperatures.)&nbsp; That doesn&#039;t form oxidation and is way to low to cause any softening of the metal. </p><p><br /></p><p><br /></p><p>I assume you mean rinse cycle.&nbsp; The chemicals chosen to clean the oxides off the blanks react with the oxides, not the coinage metal.&nbsp; Usually they also tumble them in the solution along with steel shot to burnish the surfaces and help remove the oxides by abrasion.[/QUOTE]</p><p><br /></p>

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