Zinc dust is a fine grey metallic powder used in corrosion resistant coatings and a variety of chemical type applications. Unlike zinc powder, zinc dust is manufactured using the controlled condensation of zinc vapor in an inert atmosphere like nitrogen; zinc dust particle size can vary by controlling the gas recirculation rate and the production rate.
particle size, moderate purity, used in various chemical applications.
No. 44 grade is recommended for corrosion resistant metal primers with either organic or inorganic binders.