Appearance:White or light yellow powderZnO%:95.0minElectron microscopy average particle/nm:100maxSurface Area/(m짼/g):45Pb %:0.003maxMn %:0.0002maxCu % :0.0003max105째Cvolatile substance %:0.5maxWater soluble substance %: 0.5maxHCL insoluble substance %:0.04maxLoss on burn %:2max