A study of the surface areas of particulate microcrystalline silica and .The silica sand possesses only external surface, the area of which . siderable grinding is necessary to reduce the material to a "flour" that is fine enough for.grinding silica sand flour,SSA-2™ Strength-Stabilizing Agent - HalliburtonOct 2, 2018 . SSA-2™ Strength-Stabilizing Agent (also called coarse silica flour) is Oklahoma No. 1 dry sand. It is coarser grind than SSA-1 silica. It helps.
grinding silica sand flour