I wanna make a make a metal foundry but I need a refractory material that will last long and is real dense.any ideas?

Plaster and sand wont last long and will pop. Satanite is good but wont last long. I need something like what these train track repair men are using but I dont know what they are using. What they are using is the white stuff not the brick.

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1 Answer

  • 7 days ago

    What they're using is very temporary and only used for that one weld. It'll be no good for foundry work.

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