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Highly effective against both Gram-positive and Gram-negative bacteria, yeasts, and fungi in water-based industrial systems.
Compatible with common water treatment additives including corrosion inhibitors, dispersants, and scale inhibitors.
Low-foaming formulation suitable for high-shear and recirculating cooling water applications.
Stable across a broad pH range (pH 4–10) and maintains efficacy at temperatures up to 60 °C.
Non-oxidizing chemistry minimizes impact on system metallurgy and polymer components.
Cooling water systems in HVAC and industrial heat exchange units.
Process water circuits in paper and pulp manufacturing.
Recirculating water in metalworking fluid sumps and machining lines.
Preservation of emulsions and aqueous formulations in paint, coatings, and adhesives production.
Make-up water treatment for closed-loop industrial cooling towers.
| Chemical Type | Isothiazolinone-based biocide (active ingredients: 2-methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one) |
| Product Form | Liquid concentrate |
| Appearance | Clear, pale yellow to amber liquid |
| pH (1% aqueous solution) | 2.5 – 4.5 |
| Density (20 °C) | 1.08 – 1.12 g/cm³ |
| Solubility | Completely miscible with water |
| Primary Applications | Industrial water treatment, metalworking fluids, paints & coatings, adhesives |
| Key Features | Broad-spectrum antimicrobial activity, low toxicity profile, rapid kill kinetics |
Q1: What is the primary mode of action of Dow ROCIMA 562 Biocide?
A: Dow ROCIMA 562 Biocide functions primarily through membrane disruption and interference with essential cellular processes in bacteria, yeasts, and fungi, delivering broad-spectrum antimicrobial efficacy in industrial water-based formulations.
Q2: In which types of formulations is Dow ROCIMA 562 Biocide commonly used?
A: It is widely applied in water-based industrial products such as metalworking fluids, latex paints and coatings, adhesives, sealants, construction chemicals, and cleaning concentrates—where long-term microbial stability is required during storage and use.
Q3: How stable is Dow ROCIMA 562 Biocide under typical formulation conditions?
A: The biocide demonstrates good hydrolytic and thermal stability across a broad pH range (approximately pH 4–10) and remains effective in formulations containing common surfactants, thickeners, and solvents—though compatibility should always be verified in the final system.
Q4: Is Dow ROCIMA 562 Biocide suitable for use in products requiring regulatory compliance for indirect food contact?
A: Dow ROCIMA 562 Biocide is designed for industrial applications and is not intended for direct or indirect food-contact uses unless specifically authorized under applicable regional regulations and supported by Dow’s technical documentation for that purpose.
Q5: What is the typical dosage range for effective preservation with Dow ROCIMA 562 Biocide?
A: Effective dosage generally ranges from 0.1% to 2% by weight in the final formulation, depending on microbial challenge level, pH, temperature, and presence of organic load—optimization through challenge testing is recommended for each specific application.
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