... many other chemical materials. II. lithopone,Charlton white,orr white,pearl white,Griffith's white,enamel white,lithopone pearlwhite,ZnS•BaSO4 ,our advantage:(1) ... (5)Many spefications. III. lithopone,Charlton white,orr white,pearl white,Griffith's white,enamel white,lithopone pearlwhite,ZnS•BaSO4 usage:It is ... %Zinc (as ZnS)>28-30%Volatile matters at 105 C<0.3%Zinc oxide<0.6%Soluble matters in water ...