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Highly effective broad-spectrum biocide against bacteria, fungi, and algae in water-based systems.
Excellent stability across a wide pH range (pH 4–10) and compatibility with common formulation ingredients.
Low odor profile and favorable toxicological profile for industrial use under controlled handling conditions.
Non-oxidizing mode of action, minimizing corrosion risk to metal components and system infrastructure.
Ready-to-use liquid formulation enabling precise dosing and simplified integration into production processes.
Preservation of water-based metalworking fluids in machining and grinding operations.
Microbial control in latex emulsions used in paints, coatings, and adhesives manufacturing.
Protection of process water circuits in paper and board mills.
Stabilization of pigment dispersions and architectural coatings during storage and application.
In-process preservation of water-based polymer emulsions in synthetic rubber and specialty chemical production.
| 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 to amber liquid |
| pH (1% aqueous solution) | 2.0–4.0 |
| Density (at 20°C) | 1.08–1.12 g/cm³ |
| Active Ingredient Content | 1.5–1.7% w/w total isothiazolinones |
| Solubility | Completely miscible with water |
| Primary Applications | Industrial water-based formulations requiring long-term microbiological stability |
Q1: What is Dow ROCIMA 103 Biocide primarily used for?
A: Dow ROCIMA 103 Biocide is a broad-spectrum preservative designed for use in water-based industrial formulations, including metalworking fluids, latex paints, adhesives, and construction chemicals. It helps prevent microbial spoilage during storage and in-use conditions.
Q2: Is Dow ROCIMA 103 compatible with common formulation ingredients?
A: Yes, ROCIMA 103 demonstrates good compatibility with many anionic, nonionic, and amphoteric surfactants, thickeners, and common co-biocides. Compatibility should be verified empirically in the final formulation due to potential interactions with specific raw materials or pH extremes.
Q3: How should Dow ROCIMA 103 be added to a formulation?
A: It is typically added during the cool-down phase of manufacturing, after heat-sensitive components have been incorporated. To ensure uniform distribution and optimal efficacy, it should be introduced with adequate mixing and at a pH range where its stability and activity are maintained—generally between pH 5.0 and 9.5.
Q4: Does Dow ROCIMA 103 require regulatory approval for use in specific markets?
A: Regulatory status varies by region and application. Customers are responsible for confirming compliance with local biocidal product regulations, such as the EU BPR, US EPA requirements, or other national frameworks applicable to their end-use and geographic market.
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E-mail: wangxingqiang@ericwchem.com
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