ZINC DUST AR 325 MESH
Zinc dust is used to manufacture paints and coatings that resist corrosion when applied to structures or surfaces that are prone to harsh environmental conditions. Zinc Dust is Combustible and is an Explosion Hazard: Zinc is a lustrous bluish-white metal. ... It is a fairly reactive metal that will combine with oxygen and other non-metals, and will react with dilute acids to release hydrogen.
Zinc powders and dusts are essentially finely divided zinc metal. A distinction is often made whereby 'zinc dust' refers to the product made by condensation of zinc vapor and 'zinc powder' to the product of atomization of molten zinc.
Dosage
powdery metallic zinc usually containing zinc oxide in varying amounts that collects as a bluish gray powder during distillation of zinc and that is used chiefly as a reducing agent, as a pigment in corrosion-resistant coatings for iron and steel, and in sherardizing