Spectrum Paints Zinc Silicate Primer

This is a two pack (part A + part B) zinc-ethyl silicate-type primer. Forms a continuous layer of metallic zinc that provides cathodic protection to metal (as in hot galvanization).In clean or mildly corrosive environments, may be applied in a single 75 microns thick coat.
In acidic or alkaline environments, must be coated with a top-coat such as chlorinated rubber, vinyl, epoxy or Polyurethane.