Material:A ---Aluminium, C ----Silicon Carbide Applications:Wood, Paint/Varnish Filler,Plastic Grains: coarse/medium/ ... kinds of dimensions and has various applications in the family,industrial,and so on.It is excellent for fine processing of ... #, 180#, 220#, 240#, 320#Density: High/Medium/LowMaterials: Aluminum oxide/ Silicon carbideGrains: Coarse/Medium/Fine