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Broad-spectrum fungicidal activity against common spoilage fungi, yeasts, and bacteria in water-based industrial systems.
Low-foaming formulation designed for compatibility with anionic, nonionic, and cationic surfactants and polymers.
Stable across a wide pH range (pH 4–10), ensuring consistent performance in diverse process conditions.
Non-volatile and non-oxidizing, minimizing impact on product odor, color, and stability over time.
Registered for use in multiple global regions, supporting compliance with major industrial biocide regulatory frameworks.
Preservation of water-based metalworking fluids and coolants.
Microbial control in latex emulsions and polymer dispersions used in paints and coatings.
Protection of adhesives, sealants, and caulks during storage and application.
In-process preservation of aqueous cleaning solutions and industrial detergents.
| Chemical Type | Isothiazolinone-based biocide (mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one) |
| Product Form | Aqueous solution |
| Appearance | Clear, pale yellow liquid |
| pH (1% aqueous solution) | 2.0 – 4.0 |
| Density (at 20°C) | 1.02 – 1.06 g/cm³ |
| Solubility in Water | Completely miscible |
| Primary Applications | Industrial water-based formulations requiring long-term microbial stabilization |
| Key Features | Fast-acting, residual protection, low toxicity to humans at use concentrations, no heavy metals |
Q1: What is the primary mode of action of Dow ROCIMA 103 Fungicide?
A: Dow ROCIMA 103 Fungicide functions as a broad-spectrum fungistatic agent, primarily inhibiting fungal growth through disruption of key metabolic pathways essential for cell viability. Its activity is optimized in aqueous systems where microbial contamination poses a risk to product stability and shelf life.
Q2: In which types of industrial formulations is Dow ROCIMA 103 typically used?
A: It is commonly incorporated into water-based industrial products such as metalworking fluids, latex paints, adhesives, construction chemicals, and cleaning concentrates—particularly where long-term preservation against yeasts, molds, and bacteria is required without compromising formulation performance or compatibility.
Q3: Is Dow ROCIMA 103 compatible with common biocides used in multi-component preservation systems?
A: Yes, Dow ROCIMA 103 is designed to be compatible with many widely used biocides—including isothiazolinones and formaldehyde releasers—enabling synergistic or complementary preservation strategies. Compatibility should always be confirmed through application-specific testing under intended use conditions.
Q4: How should Dow ROCIMA 103 be handled and stored to maintain efficacy?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from direct sunlight and strong oxidizing agents. Avoid prolonged exposure to freezing conditions or excessive heat. Handling should follow standard industrial hygiene practices, including appropriate personal protective equipment when transferring or dosing.
Q5: What regulatory status does Dow ROCIMA 103 hold for use in industrial applications?
A: Dow ROCIMA 103 is registered or notified under major global regulatory frameworks for industrial biocidal use, including EPA registration in the United States and compliance with the EU Biocidal Products Regulation (BPR) for product-type 2 (preservatives). Specific authorization status may vary by country and application category; users are advised to consult local regulatory guidance and safety data sheets.
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