Step 1: package
Step 2: bake
Step 3: slag removal
Step 4: repair
SiC grain size sand
20-30 mesh
30-40 mesh
40-50 mesh
50-60 mesh
60-70 mesh
70 mesh -- 80 mesh
80-90 mesh
90-100 mesh
100 mesh -- 110 mesh
110 mesh -- 120 mesh
