1, in 25kg bag,easy to transport 2, adequate supply, have a cheapest price 3, Professional team, top-class service Specification: ItermSpecificationAssayLiF min.%99.0Impurities max.%Cl-0.002(SO4)2-0.002Ca0.002Fe0.003Na0.002Pb0.0005K0.002Mg0.001Al0.001H2O0.02 Lithium Fluoride Battery Grade