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<p>[QUOTE=&quot;jazzcoins, post: 484545, member: 15709&quot;]<span style="color: blue">DEFINETION FOR SINTERED PLANCHET </span></p><p>&nbsp;</p><p>These planchets were kept to long in the annealing drum. While in the drum they became coated with a layer of metal dust which the heat then sintered onto the planchet these are known with partial ,single- sided ,and double sided sintering also copper washed</p><p>&nbsp;</p><p><span style="color: red">DEFINITION FOR COPPER WASHED</span></p><p>&nbsp;</p><p>These planchets receive a thin chemical coating usually of copper color while going through the washed cycle prior to striking see sintered</p><p>&nbsp;</p><p>Jazzcoins Joe[/QUOTE]</p><p><br /></p>

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