Total MgO 27 Min Water Soluble MgO 24% S:19%Min Factory,SGS,Intertek,BV. ISO9001:2008 GB/T 19001-2008 Specification:Kieserte GranularSpec.:Total MgO:27%Min. Water Soluble MgO:24%Min. S:19%Min. Moisture:2%Max.Pack.: In 50kgs/wpp bagApplication:It is used in feed additive, aquiculture, fertilizer, currying, porcelain, printing, porcelain, fireproof materials and feed additives of magnesium salt, ...