zinc oxide powder for rubber

Zinc Oxid (ZnO) is a white powder that is insoluble in water, and it is widely used as an additive in numerous materials and products including rubbers, plastics, ceramics, glass, cement, lubricants, paints, ointments, adhesives, sealants, pigments, foods, batteries, ferrites,fire retardants, and first-aid tapes. Package: 25kg/bag, 500kg/bag   Specification:

Zinc Oxide (ZnO)	99.4% min
% Fe	0.0007% max
% Pb	0.0027% max
%Cd	0.0013% max
Surface Area (Sq.m./gm)	3.0 typical
Through 325 mesh	99.97% min
Plus 325 mesh	0.03% max
Color	White