4/16/2023 0 Comments Pritchett bullet mold![]() I also add sprue plate lube sparingly to the mould alignment pins, bottom of the sprue plate/top of the mould apply and the wipe off, sprue plate screw, handle screws and thermometer screws before heating and touch up a couple of times during the heating cycle, this saves me doing it whilst casting and get the bearing metal parts well treated with lube to stop galling. What I do do is heat the mould up to casting temperature say 450 degrees and let it cool and do this cycle at least half a dozen times, I just sit the mould on top of the cast iron stove in the living room for a few days and the job is done. I never soot the cavities of my moulds, in fact the only thing I will put in the cavities is molten alloy.
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