Mark Conner
Mike,
Wednesday, January 06, 2021, 21:02

generally frosting is an indication of mould temperature, cooler shinier, hotter frostier. I don't have a pot thermometer so I can not tell you within 50 degrees of what I cast at. For my casting and the bullet look that I want I run my alloy and more importantly my mould at a temp that takes 3-4 seconds for the spur to solidify, hollow points a second or two hotter.

I think on your heavier bullets you are pouring more alloy (heat) into the cavities making your mould hotter thus frosting your bullets.


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