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Lab talk, the good, the bad, and the ugly
Metal
Auriloy
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<blockquote data-quote="Al." data-source="post: 9837" data-attributes="member: 382"><p>Ok I just cast 3 rings of NP and payed close attention. Rex 111 dosnt glow white but you can tell it gets brite. What I use to tell when it is ready is when the ingot slumps completly and flatten out and the edges of the ingots connect. NP keeps a skin on it that dosent allow the ingots to puddle together. That skin will be left in your crucible. Slag. It should come off easly and clean but if it is stuck to your crucible and you have to scrape it off you overheated your metal.</p><p></p><p>Just use your propane tank from your gas grill. Its easy enough to hook up to your torch.</p></blockquote><p></p>
[QUOTE="Al., post: 9837, member: 382"] Ok I just cast 3 rings of NP and payed close attention. Rex 111 dosnt glow white but you can tell it gets brite. What I use to tell when it is ready is when the ingot slumps completly and flatten out and the edges of the ingots connect. NP keeps a skin on it that dosent allow the ingots to puddle together. That skin will be left in your crucible. Slag. It should come off easly and clean but if it is stuck to your crucible and you have to scrape it off you overheated your metal. Just use your propane tank from your gas grill. Its easy enough to hook up to your torch. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Metal
Auriloy
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