Mergal® 165 is a high-performance, formaldehyde-free in-can preservative formulated to protect aqueous-based industrial products from microbial degradation. Developed by Arxada (formerly Troy Corporation), it incorporates a synergistic blend of isothiazolinone-based actives, delivering effective and long-lasting protection against bacteria, yeast, and mold. Mergal® 165 is widely appreciated for its excellent compatibility with formulation components, low odor, and strong efficacy across a broad pH and temperature range, making it a reliable choice for sensitive and high-value water-based applications.
Formaldehyde-Free Preservation – Meets regulatory and eco-label standards
Broad-Spectrum Microbial Protection – Active against bacteria, fungi, and yeast
Long-Term Shelf Life Stability – Protects formulations during storage and handling
Mild Odor – Suitable for odor-sensitive end-use applications
Excellent pH and Temperature Stability – Works reliably in diverse industrial systems
High Compatibility – Blends easily with emulsifiers, surfactants, and thickeners
Water-Based Paints & Coatings – Prevents spoilage and degradation in interior/exterior paints
Adhesives & Binders – Maintains shelf-life and performance in PVAc and acrylic systems
Printing Inks – Protects aqueous ink systems from microbial attack during storage
Polymer Dispersions – Preserves styrene-acrylic, pure acrylic, and vinyl dispersions
Sealants & Construction Materials – Extends usability in grouts, caulks, and water-based sealants
Textile Chemicals & Additives – Used in textile finishing agents to prevent microbial contamination
| Property | Details |
|---|---|
| Product Name | Mergal® 165 |
| Manufacturer | Arxada (formerly Troy Corporation) |
| Chemical Type | In-can preservative |
| Active Ingredients | Isothiazolinone blend |
| Physical Form | Liquid |
| Appearance | Clear to pale yellow liquid |
| Odor | Low to mild |
| pH (as supplied) | 9.0 – 10.0 |
| Solubility | Fully soluble in water |
| Density @ 20 °C | ~1.04 – 1.06 g/cm³ |
| Flash Point | >100 °C |
| Recommended Use Level | 0.05% – 0.20% depending on formulation sensitivity |
| pH Stability Range | 4 – 12 |
| Shelf Life | 18 months (in unopened packaging) |
| Packaging Options | 25 kg drums, 200 kg barrels, 1000 kg IBCs |
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