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Unread 05-29-2013, 10:30 AM   #10925
On the road to being a farker
Join Date: 01-31-09
Location: Austin, Texas
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If you do a bit of research, you will probably find some mix recipes for the vermiculite (and possibly perlite). IIRC vermiculite is a cheep substitute used in low temp backyard forges. You might also search for lightweight cement recipes. Perlite is an expanded volcanic glass (vermiculite is an expanded silica), so not 100% which was used in which application.
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