As of October 2022, Buff Plus now uses only 40mesh fireclay and 35 mesh grog.
A medium-range light stoneware body with about 9% fine grog which fires off-white to buff in oxidation and slightly darker in reduction.
Flint Hills clays have been evaluated by a nationally certified toxicologist, and have been found to be in compliance with ASTM C-1023 and D-4236, and to not contain any material in sufficient quantity to be toxic or to constitute a chronic health hazard when used responsibly.
