METAL OXIDES AND HYDROXIDES AS CORROSION INHIBITOR PIGMENTS FOR A CHROMATE-FREE CORROSION RESISTANT EPOXY PRIMER

摘要

The invention relates to a primer composition comprising an epoxy resin, a curing agent and a non-chromate containing corrosion inhibiting pigment, wherein the non-chromate corrosion inhibiting pigment comprises one or more pigment extenders in combination with a non-chromate corrosion inhibiting pigment additive selected from the group consisting of oxides of heavy metals, hydroxides of heavy metals and mixtures thereof.