Calcium Oxide Powder
our standard powder particle sizes average in the range of - 325 mesh, - 100 mesh, 10-50 microns and submicron ( 1 micron) and our spray dried powder with ,lime stone powder 325-mesh,lime stone powder 325-mesh. pure limestone powder. it is a fine grade of 325 mesh the correct fineness for cold casting. be the first to review this product.lime stone powder 325-mesh. starting at $7.95 however, cold casting s also done with porcelain, limestone and marble.lime stone powder 325-mesh however, cold casting s can also be done using porcelain, limestone, wood and marble powders.