Appearance:LightyellowcrystallinepowderModel：ZWO3-1Physicalproperties:Ultra-fineBulkdensity：≤1.0g/cm3***eragesize：≤0.25μmBET≥3m2/gPacking:Linedwithdoubleplasticbag,outerirondrum,100kgor200kgperdrum,andotheraspectsaccordingtocustomerrequirements.ComponentAnalysis(%)Principalcomponentcontent(%)WO3≥99.97burningloss：≤0.3%Contentsofotherelements(%)≤Al0.0008As0.001Bi0.0001Ca0.001Cd0.0001Co0.0005Cr0.0005Cu0.0003Fe0.001K0.001Mg0.0005Mn0.0005Mo0.002Na0.001Ni0.0005P0.0007Pb0.0001S0.0007Sb0.0001Si0.001Sn0.0002Ti0.0005V0.0005--)