Content:
         ZnO: 99.8
         PbO: 0.03
         MnO: 0.0001
         CuO: 0.0002</ul>
         HCl insoluble matter: 0.005
         Heat loss: 0.2
         45um sieve residue: 0.09
          Water soluble matter: 0.09
          105°C volatile content: 0.29
Application: rubber industry, paints industry, ceramics industry, floor tile, glass and more