... #12-1200 1..Chemical and physical Usage:JIS#10-JIS#240(1)It can make the abrasive tool to grind the great ... the high speed steel, stainless steel and high carbon steel.(2)It also usually used for sandblasting, such as precious metal, the ... refractory products.0-1,1-3,3-5,5-8mm and 180,200,240,280,320F Bacmac Aluminium Micropowder Brown Fused Alumina