Grinding Jars Gilson Co.
Grinding Jars are premium High Alumina material or ceramicbased Roalox ™. Highstrength Roalox has four times the wear life of ordinary porcelain and reduces levels of silica contamination. Ultrahigh fired High Alumina jars have a higher service life, negligible silica contamination, and polyurethane coated body to minimize breakage.