Mergal® 395

Mergal® 395 by Troy Corporation (Arxada) is a liquid preservative for water-based systems. It is highly stable at elevated processing temperatures. Mergal® 395 is used as an in-can preservative in paints, stucco/masonry coatings, EIFS coatings and other coating products.

Overview

Mergal® 395 is a formaldehyde-free, broad-spectrum in-can preservative developed for water-based formulations susceptible to microbial degradation. It contains a synergistic blend of isothiazolinones, including CMIT and MIT, which offers potent efficacy against bacteria, fungi, and yeast. Designed to meet stringent environmental and regulatory demands, Mergal® 395 delivers long-term product protection with minimal impact on formulation aesthetics. With low VOC content, low odor, and excellent compatibility, it is ideally suited for sensitive applications in paints, adhesives, construction materials, and industrial emulsions.

Benefits

  • Formaldehyde-Free Composition – Supports eco-label compliance and safer labeling requirements

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

  • Low Odor & VOC Content – Suitable for indoor-use products with minimal impact on sensory profile

  • Excellent Compatibility – Integrates seamlessly with surfactants, emulsifiers, and formulation additives

  • Long-Term Microbial Protection – Prevents degradation during storage and distribution

  • Flexible Use – Effective over a wide range of pH levels and product types

Applications

  • Water-Based Paints & Coatings – Preserves interior and exterior emulsion paints, helping extend shelf life and microbial stability

  • Adhesives & Binders – Prevents spoilage in water-based glue systems and PVA adhesives

  • Polymer Emulsions – Used in styrene-acrylic, acrylic, and PVAc dispersions for in-process and packaging stability

  • Printing Inks – Stabilizes aqueous ink systems and printing emulsions from microbial attack

  • Construction Chemicals – Compatible with cementitious systems, sealants, admixtures, and fillers

  • Pigment Slurries – Preserves both organic and inorganic slurry systems, maintaining color integrity

Properties Table

PropertyDetails
Product NameMergal® 395
ManufacturerTroy Corporation / Arxada
Chemical TypeIn-can preservative (Isothiazolinone-based)
Active IngredientsCMIT (Chloromethylisothiazolinone), MIT (Methylisothiazolinone)
Physical FormLiquid
AppearanceClear to pale yellow
OdorMild/Low odor
pH (as supplied)3.5 – 5.0
SolubilityFully water-soluble
Density @ 20 °C~1.02 g/cm³
Flash Point>100 °C
Recommended Use Level0.02% – 0.10% depending on formulation
pH Stability Range3 – 9
Shelf Life18 months in sealed containers
Packaging Options25 kg plastic drums, 200 kg drums, 1000 kg IBC totes

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