Sio2: 35-60%, white: 85-95%
325-1250mesh
MgO: 75- 90% for CCM, MgO: 90-95% for DBM, 97% and 98% FM
200mesh
Fluorspar powder with cafe 97-98%, fluorspar lump with caf2 75-95%
Powder size: 100-200mesh
Lump size: 0-50, 20-50, 10-30mm and so on