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Casting Lubricant
- Thread starter Howard
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You want no lube in the mold cavity.
Always leave ths last ball in the mold cavity and do not open the mold after it is poured.
The hinge may need a dab of beeswax.
Other than that I use nothing.
I have always kept my molds in an airtight GI ammo can. I have never had a rust problem and I live in an extremely humid area.
Some of my cast iron blocks date to the late 60s and have no rust.
:front:
Always leave ths last ball in the mold cavity and do not open the mold after it is poured.
The hinge may need a dab of beeswax.
Other than that I use nothing.
I have always kept my molds in an airtight GI ammo can. I have never had a rust problem and I live in an extremely humid area.
Some of my cast iron blocks date to the late 60s and have no rust.
:front:
What he said.
A TINY amount of beeswax at the hinge. You can't believe how fast and far melted beeswax spreads on hot metal.
I burn a coating of carbon from a candle on the mold before I start and when I'm finished, and then leave the last ball & sprue in it unopened for storage. It's hard for rust to start inside what is then basically a solid metal block.
A TINY amount of beeswax at the hinge. You can't believe how fast and far melted beeswax spreads on hot metal.
I burn a coating of carbon from a candle on the mold before I start and when I'm finished, and then leave the last ball & sprue in it unopened for storage. It's hard for rust to start inside what is then basically a solid metal block.
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On a new mold , I have used the soot off a kitchen match or a small candle, that is the only kind of 'lube' that I use. They make some super special stuff to coat them with, but never used it. Even after the mold comes up to temperature, they sometime still won't throw a nice looking ball, and all they need is a little soot! Hope that is the lube you a talking about!
Tumblernotch
69 Cal.
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What he said, too. If you cast bullets, especially Minies in a mold that has melted beeswax inside, you're goin' to have a smoky mess and as long as there is wax or anything else in it, some really GNARLY bullets. And I do mean Wrinkled and Funky lookin'
:thumbsup:
:thumbsup:
I wipe the mold out with alcohol first. Then I candle smoke it real good making sure the actual bullet part is black. I then have a mold lube called Rapine Lube. I take a small crafters paintbrush and paint the inside of the mold with that, and once the mold is hot.. start casting. It will last through the set I cast.
Like already said, when you're done for the day, leave the last ball in the mold and do not open it. It will cool the mold more even and reduce the risk of the mold warping and there can be no moisture in the mold this way so no rust can form.
Like already said, when you're done for the day, leave the last ball in the mold and do not open it. It will cool the mold more even and reduce the risk of the mold warping and there can be no moisture in the mold this way so no rust can form.
