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  1. Hi good morning, i have been hearing a few guys at this site talking about makeing coloidal silica out of fumed silica, my Questain is what type, and size particle of fumed silica will make coloidal silica rigidizor' if any one Knows Thanks.
  2. helo ser did you have any luck turning fumed silica intoo rigidizor, and may i ask what particle size is needed too make coloidal silica, Thanks.