... with high intensity, wear-resist, insulative, the surface is smooth and polishing2) Our current spec is 100mm x 45mm x 3mm ... 25mm x 5mm, 100mm x 20mm x 2.5mm3) Two colors: white and blackAlumina balls,nozzles,substrates have the performances of high ... of ceramic,electric power,petroleum,chemical industry and light industry, they are the liner and grinding medium for various ceramic material, α-Al2O3 ...