Halox BW-191 Barium phosphosilicate Halox Functional pigment >> Anti-corrosive Corrosion inhibitor Coatings >> Solvent-Free/ High-Solids Coatings >> Waterborne Corrosion Inhibiting Pigments HALOX® BW-191 Phosphosilicate Water-Borne Latexes Water Reducible Systems High Solids Coatings Phosphosilicate. Used as a corrosion inhibitor for water-borne latexes, water reducible systems and high solids coatings.