Proxel SE Blend of sodium salt of 1,2-benzisothiazolin-3-one and urea Avecia Preservative >> Biocide, In-can preservative >> Isothiazolinone Derivatives Coatings >> Waterborne Printing Inks & Varnishes Other industry >> Paper coatings Water PROXEL SE is a broad spectrum biocide for the preservation of industrial water-based products against spoilage from bacteria, yeasts and fungi. PROXEL SE is a 7.5% aqueous solution of the sodium salt of 1,2-benzisothiazolin-3-one and urea. PROXEL SE is effective in a wide range of industrial aqueous-based products. emulsion paints, printing inks and paper coating compositions Aqueous solution of sodium salt of 1,2-benzisothiazolin-3-one and urea. Used as a broad spectrum biocide for preservation of industrial water-based products such as emulsion paints, printing inks and paper coating compositions against spoilage from bacteria, yeasts and fungi. <br> Use level: 0.1-0.4 %wt based on total weight.