Specification

Zinc oxide                %>=99

Metallic metals (as Zn)   %<=None

Lead oxide (as pb)        %<=0.02

Manganic oxide (as Mn)    %<=0.0002

Copper oxide (as Cu)      %<=0.006

Insolubles in HCL solution%<=0.04

Losses on ignition        %<=0.6

Screening residues (through 450 um)   %<=0.3

Soluble matters in Water  %<=0.6

Volatile matters at 105.C %<=0.3