Reddit Reddit reviews CM-Ceramics 24" x 12" x 1" 2400 F. 8 Pound Ceramic Fiber Insulation Morgan Ceramics and Knife. USA

We found 4 Reddit comments about CM-Ceramics 24" x 12" x 1" 2400 F. 8 Pound Ceramic Fiber Insulation Morgan Ceramics and Knife. USA. Here are the top ones, ranked by their Reddit score.

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4 Reddit comments about CM-Ceramics 24" x 12" x 1" 2400 F. 8 Pound Ceramic Fiber Insulation Morgan Ceramics and Knife. USA:

u/estolad · 2 pointsr/Metalfoundry

You can build a naturally aspirated propane burner like this for pretty cheap. "Naturally aspirated" means the burner pulls in all the air it needs by itself, so you don't need a blower or anything. You won't be able to melt iron with one of these, but it's all you need for aluminum and copper alloys

Next you'll need a body for the furnace. A lot of guys use old rusted-out 20lb propane cylinders. If you do this, you need to take the valve off the top and fill the cylinder with water before you start cutting it up, otherwise you risk having the little bit of residual gas inside blow up and kill you dead. Don't fuck around with this

Now you'll need something to insulate your furnace. You'll see a lot of recipes for homebrew refractories which you should ignore. None of them work as well as kaowool. Line your furnace with 2" of this stuff, and then coat the interior with some ITC-100 or similar. Don't skip that step. You need to have the kaowool coated because it's similar to asbestos and it's extremely bad to breathe the little particles that break off during operation

u/akcobs52 · 1 pointr/Blacksmith

I did some more research today and i was planning on using kaowool and ITC 100 or something similar, instead of the sand and plaster. I'm just having a hard time finding where to buy both. I also don't know if ITC 100 is the best option.

Edit: Im looking at this for kaowool, and this for the cement.

u/Higlac · 1 pointr/blacksmithing

If it's hot enough to melt a little bit and your insulation is good enough, then you can melt a lot.

I was going to combine this with this for the bucket build, and have holes through the lid for these. Make a stopper for the sight hole and a lip on the lid to minimize oxygen introduction. Should work out pretty OK.