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Lab talk, the good, the bad, and the ugly
Metal
propane and oxygen ratio
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<blockquote data-quote="B@IDL" data-source="post: 370301" data-attributes="member: 28561"><p>3:1 - 4:1 depends on the metal you try to heat. Use a "step down" regulator setup to control the pressure better.</p><p>Some of the non precious need high heat , sometimes difficult to produce with small nozzle or easy to overheat if its create pin point .</p><p>I'm using a Victor Multiflame VIC6-MFA-1 torch mostly for Cr/Co - Wironium casting. Nice long nozzle to stay away from the heat and comfortable to do many casts.</p><p>Also used to cast anything C&B and Full Gold. Use Flux and clean crucibles.</p></blockquote><p></p>
[QUOTE="B@IDL, post: 370301, member: 28561"] 3:1 - 4:1 depends on the metal you try to heat. Use a "step down" regulator setup to control the pressure better. Some of the non precious need high heat , sometimes difficult to produce with small nozzle or easy to overheat if its create pin point . I'm using a Victor Multiflame VIC6-MFA-1 torch mostly for Cr/Co - Wironium casting. Nice long nozzle to stay away from the heat and comfortable to do many casts. Also used to cast anything C&B and Full Gold. Use Flux and clean crucibles. [/QUOTE]
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Lab talk, the good, the bad, and the ugly
Metal
propane and oxygen ratio
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