PROXEL™ BZ Preservative, an aqueous dispersion of a synergistic blend of 1-2-benzisothiazolin-3-one and zinc 2-pyridinethiol-1-oxide, is an an-tibacterial/antifungal preservative for aqueous compositions such as latex emulsions, paints, water based adhesives, aqueous slurries such as titanium dioxide and clay, and tape joint compounds.

PROXEL BZ Preservative is registered with the Environmental Protection Agency and has been granted EPA registration No. 1258-1257.

Many aqueous industrial compositions can support the growth of a wide range of bacteria and fungi. These organisms can chemically destroy the components of these formulations and render them unusable. High solids formulations are especially prone to fungal contamination and cannot be suitably controlled by bactericides. PROXEL BZ Preservative is effective against both types of microbes and will prevent growth of even high concentrations of fungal organisms.

General Recommendations

The concentration required to give protection depends on several factors. These include the susceptibility of the system to microbiological degradation, the extent to which microorganisms can gain access, the species involved, pH, temperature, and length of time for which protection is required. For protection against bacterial and fungal attack, a concentration within the range of 0.025-0.40% PROXEL BZ Preservative is almost invariably sufficient.

Features & Benefits

PROXEL BZ Preservative is an effective preservative against growth of bacteria and fungi in the aqueous systems indicated and exhibits:

• Effective control of a wide range of bacterial and fungal organisms at economic concentrations.
• Long-term storage stability.
• Ease of use due to its liquid form and excellent compatibility in most aqueous systems.

Properties