And if welding isn't among your skill set?
No, my refractory began it's life as a refrigerant bottle.
Someone suggested that I use something to put my crucible on in my foundry to get it out of the direct path of the flame. I've tried fire brick...
I've tried several different things for skimmers but nothing has stood out as superior yet. What do y'all use and what's it made of?
Definitely something that should be isolated from pure copper?
I have quite a bit of tin coated copper wire, I figure that if I melt it down it would become an alloy and (obviously) not be pure copper. Can...
Thanks, I had no idea. I guess I'll know now.
The one I used for aluminum cracked and it was a more expensive crucible
Thanks, yes it was
this one did last at least 10 meltings but I had noticed that it was becoming more and more elastic each time.
It's homemade but I guess the concept is similar
Yeah I have a helium tank furnace with firebrick for the floor and hardened kaowool walls, I'm using a propane torch for the heat source.
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