mainly used in ice melting, feedstuff, fertilizer, dust control, antifreeze, prepared ink, dehumidizer, rubber additive. specifications:1) MgCl2: 46% min2) SO42-: ≤0.3%3) Ca2+: ≤0.12%4) Cl-: ≤0.5%5) Insoluble matter: ≤0.1%6) Pb: ≤0.5mg/kg7) As: ≤0.05mg/kg8) Fe: ≤21mg/kg Magnesium Chloride granular 46%