Flour vs. Sand
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September 27, 2008 at 11:02 pm #10856
AnonymousInactive
Jan – silica flour is made by crushing silica sand.
Ask them if it has a gritty or powdery texture. If they answer powdery then I think you are okay.
Paul
FusedGlass.Org
Helios Kiln Glass Studio
PaulTarlow.com
