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Homemade castable refractory
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03-17-2003, 01:58 AM
PS_Bond
Steel Addict
Join Date: Oct 2002
Location: UK
Posts: 130
Some cat litters are also bentonite clay. I *think* it was a non-clumping variety that was labelled as bentonite in the fine print. Used it in DIY foundry sand.
Use the clean stuff...
Peter
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