Proxel BZ 1,2-benzisothiazolin-3-one and zinc pyrithione Avecia Preservatives / Biocides / Fungicides ADHESIVE >> Water-based PROXEL BZ is a dual active broad spectrum biocide for the preservation of industrial waterbased products against spoilage from bacteria, yeasts and fungi. PROXEL BZ is a 20% aqueous dispersion of 1,2-benzisothiazolin- 3-one and zinc pyrithione. PROXEL BZ is effective in a wide range of industrial aqueous-based products, particularly in those products that are susceptible to fungal contamination. Water-based adhesives Household products 20% aqueous dispersion of 1,2-benzisothiazolin-3-one and zinc pyrithione. Biocide for the preservation of industrial water-based products against spoilage from bacteria, yeasts and fungi. Use level: 0.05-0.3 %wt in water-based adhesives