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-0.001(SO4)2-0.05Ca0.05Fe0.10Na0.05Pb0.01K0.05SiO2 0.06 Lithium Fluoride Industry Grade