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Zinc Oxide 99% Content (ZnO)% ------------------------------------------------------------------------99Min MnO%---------------------------------------------------------------------------------0.001Max PbO%----------------------------------------------------------------------------------0.15Max CuO%----------------------------------------------------------------------------------0.001Max Heat Loss%----------------------------------------------------------------------------0.3Max HCl Insoluble Matter%--------------------------------------------------------------0.01Max Water Soluble Matter%---------------------------------------------------------------0.1Max 45um Sieve Residue%-----------------------------------------------------------------0.15MaxZinc oxide 99.5%Content (ZnO)% --------------------------------------------------------------------------99.5Min MnO%------------------------------------------------------------------------------------0.0005Max PbO%-------------------------------------------------------------------------------------0.05Max CuO%-------------------------------------------------------------------------------------0.0005Max Heat Loss%-------------------------------------------------------------------------------0.3Max HCl Insoluble Matter%-----------------------------------------------------------------0.01Max Water Soluble Matter%-----------------------------------------------------------------0.1Max 45um Sieve Residue%-------------------------------------------------------------------0.15MaxZinc Oxide 99.7%Content (ZnO)% ----------------------------------------------------------------------------99.7Min MnO%-------------------------------------------------------------------------------------0.0004Max PbO%---------------------------------------------------------------------------------------0.037Max CuO%---------------------------------------------------------------------------------------0.0004Max Heat Loss%---------------------------------------------------------------------------------0.3Max HCl Insoluble Matter%-------------------------------------------------------------------0.01Max Water Soluble Matter%-------------------------------------------------------------------0.1Max 45um Sieve Residue%---------------------------------------------------------------------0.15MaxUsage:It is used widely in Rubber products Production technology: In industrial production zinc oxide usually get from the combustion of zinc or sphalerite. It includes :Indirect method, Direct method, Wet chemical method, Hydrothermal synthesis, Spray pyrolysis.