Mortar Hard Porcelain ,Each

Details:

Hard porcelain mortar^ for use with the rm 100 mortar grinder. In most cases, grinding sets of hard porcelain are adequate for use on soft, medium-hard or pasty materials. Composition is approximately 71% sio2, 24% al2o3. Degree of hardness is 7 mohs, and the density is approximately 2400kg/m3.