Overview

Proxel® LSR Preservative is a powerful, broad-spectrum in-can preservative developed by LANXESS to protect water-based industrial formulations from microbial degradation. It contains a synergistic blend of isothiazolinone actives, including 1,2-benzisothiazolin-3-one (BIT), and is free from formaldehyde and formaldehyde releasers. Designed for use in a variety of aqueous systems, Proxel® LSR offers exceptional efficacy against bacteria, mold, and yeast even at low concentrations. Its compatibility across a wide pH range and with various surfactants and additives ensures easy formulation integration. With excellent long-term stability and compliance with global regulatory requirements, Proxel® LSR is a reliable solution for formulators seeking durable protection and preservative longevity.

Benefits

• Broad-Spectrum Antimicrobial Protection – Effective against bacteria, mold, and yeast

• Formaldehyde-Free – Compliant with eco-label and low-toxicity standards

• Highly Compatible – Works well with surfactants, emulsifiers, and polymers

• Efficient at Low Dosage – Delivers protection with minimal use levels

• Stable Across pH Range – Effective from pH 4 to 12

• Low Odor – Suitable for odor-sensitive formulations

Applications

• Paints & Coatings – Protects emulsion paints, latex systems, and water-based architectural coatings

• Adhesives – Used in waterborne adhesives, glues, and pressure-sensitive applications

• Polymer Dispersions – Stabilizes acrylic, styrene-acrylic, and vinyl acetate dispersions

• Sealants & Joint Fillers – Ensures hygiene in silicone, polyurethane, and cementitious sealants

• Printing Inks – Prevents spoilage in water-based ink systems and flexographic inks

• Construction Chemicals – Effective in grouts, admixtures, and mortar additives

Properties Table