U. S. Stoneware: Ceramic Grinding Mill Jars
Roalox AluminaFortified Grinding Jars . Our ceramic jar bodies have been formulated to provide about 4 times the wear rate of our competitors porcelain jars. Lower silica content cuts silica contamination by more than half. ... Same design features as Roalox Mill Jars. Ultrigh fired ceramic body composed primarily of highgrade aluminum ...