Mergal® 192

Mergal® 192 by Troy Corporation (Arxada) is a bactericide. It is used as an in-can preservative in paints, stucco/masonry coatings, EIFS coatings, and other coating products where water is a component.

Overview

Mergal® 192 is a formaldehyde-free, broad-spectrum in-can preservative developed by Troy Corporation (now part of Arxada), formulated specifically for the preservation of water-based industrial products. It contains 1,2-Benzisothiazolin-3-one (BIT) as the primary active ingredient, offering effective protection against bacteria, fungi, and yeast. Mergal® 192 is known for its excellent chemical stability, low odor, and wide pH compatibility, making it an ideal solution for preserving paints, coatings, adhesives, emulsions, and similar aqueous systems. It is designed for applications that demand long-lasting efficacy and regulatory compliance without compromising on formulation performance.

Benefits

  • Formaldehyde-Free Composition – Supports eco-label and low-toxicity requirements

  • Broad-Spectrum Protection – Active against a wide range of bacteria, yeast, and fungi

  • High Chemical Stability – Compatible with demanding chemical systems and storage

  • Effective at Low Dosage – Minimizes cost while maximizing preservation

  • Mild Odor – Suitable for formulations with sensory limitations

  • Wide pH Tolerance – Performs well from pH 4 to 12

Applications

  • Paints & Coatings – Ensures stability of emulsion and water-based coatings

  • Adhesives & Glues – Used in PVA-based and acrylic adhesives to prevent spoilage

  • Polymer Emulsions – Protects PVAc, styrene-acrylic, and acrylic dispersions

  • Printing Inks – Maintains microbial stability in waterborne ink systems

  • Sealants & Construction Chemicals – Suitable for joint fillers, grouts, and cement admixtures

  • Detergents & Cleaners – Prevents microbial growth in aqueous cleaning products

Properties Table

PropertyDetails
Product NameMergal® 192
ManufacturerTroy Corporation / Arxada
Chemical TypeIn-can preservative (BIT-based)
Active Ingredient1,2-Benzisothiazolin-3-one (BIT) – ~1.5%
Physical FormLiquid
AppearancePale yellow to amber liquid
OdorMild, low odor
pH (as supplied)~10.0 – 11.0
SolubilityFully soluble in water
Density @ 20 °C~1.03 g/cm³
Flash Point>100 °C
Recommended Use Level0.05% – 0.15%, depending on formulation type
pH Stability Range4 – 12
Shelf Life18 months (in original sealed container)
Packaging Options25 kg pails, 200 kg drums, 1000 kg IBC totes

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