Grain's Association merged, the manufacturing process of grain's Association and use of the grains

摘要

Grain's Association merged, the manufacturing process of grain's Association and use of the grains.Ceramic grain castings, especially for applications in abrasive tools, and the chemical composition by weight average.In percentage by weight on the basis of the oxides: Al ~ 2 ~ ~ 3 ~ 93% to 97.5%, MgO: 2.2 to 6.5%; SiO ~ 2 ~ 0,1%; other impurities: 0,4%.