... :Power,Compact Granular, Free Flowing. Particlesize:16-100 mesh Specifications: Barium Carbonate Specifications:ItemPrecipitatedFree FlowingGranularBaCO3%>=99.299.299.2Moisture%<=0.300.300 ... residue150 microns(100mesh) sieve residue1% Max, 85% MinPurposes: For barium salt, tubes, batteries, capacitors, ceramic, enamel, optical glass, ferrite rod, carburizing steel, radio ...