Overview

Mergal® S89 is a formaldehyde-free, broad-spectrum in-can preservative designed to protect water-based products from microbial spoilage during storage. Manufactured by Arxada (formerly Troy Corporation), Mergal® S89 utilizes benzisothiazolinone (BIT) as the active ingredient, providing effective protection against bacteria, mold, and yeast. It is ideal for paints, coatings, adhesives, and similar aqueous formulations that require long-lasting preservation without compromising environmental or regulatory standards. Mergal® S89 is known for its excellent pH stability, low odor, and wide formulation compatibility, making it suitable for both industrial and consumer applications.

Benefits

• Formaldehyde-Free – Complies with modern safety and eco-label requirements

• Broad-Spectrum Efficacy – Active against bacteria, mold, and yeast

• Low Odor – Enhances user and consumer experience

• Wide pH Range Compatibility – Stable and effective from pH 4 to 12

• High Formulation Flexibility – Compatible with a wide variety of raw materials

• Cost-Effective Performance – Delivers protection at low use concentrations

Applications

• Paints & Coatings – Preserves latex paints, acrylic emulsions, and decorative coatings

• Adhesives – Protects PVAc and acrylic-based adhesive systems

• Sealants & Construction Products – Effective in caulks, grouts, and cementitious materials

• Printing Inks – Maintains microbial integrity in water-based inks

• Detergents & Household Products – Preserves aqueous formulations from microbial growth

• Textile Auxiliaries & Emulsions – Suitable for preserving textile finishing agents and binders

Properties Table