... 210014567-64-7 Items Tested & Standard Appearance: Big granular MgOSFree Acid (H2SO4)MoistureSize (2-5mm)25% min20% min0.5% max5% max90 ... the leather making, the explosives, fertilizer, papermaking, porcelain, printing dye, lead-acid battery industry, etc. in 50kg plastic woven bags.in 1000kg ...