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Broad-spectrum efficacy against bacteria, fungi, and algae in water-based industrial systems.
Stable and effective across a wide pH range (pH 4–10), ensuring compatibility with diverse formulations.
Low toxicity profile with favorable environmental and regulatory acceptance for industrial use.
Non-oxidizing chemistry that minimizes corrosion risk to metal components and system infrastructure.
Compatible with common water treatment additives, including scale inhibitors and dispersants.
Cooling water systems in HVAC and industrial process cooling towers.
Process water circuits in paper manufacturing and pulp mills.
Recirculating water systems in metalworking fluid sumps and machining operations.
Emulsion-based coatings, adhesives, and latex paints during manufacturing and storage.
Water-based hydraulic fluids and fire protection systems requiring microbial control.
| Chemical Type | Isothiazolinone-based biocide blend |
| Product Form | Liquid concentrate |
| Appearance | Clear, pale yellow liquid |
| pH (as supplied) | 3.5–5.0 |
| Density (20°C) | 1.08–1.12 g/cm³ |
| Solubility | Miscible with water in all proportions |
| Primary Applications | Industrial water treatment, coatings, adhesives, metalworking fluids |
| Key Features | Non-oxidizing, broad-spectrum, pH-stable, low-foaming |
Q1: What is the primary mode of action of Dow ROCIMA 363 Biocide?
A: Dow ROCIMA 363 Biocide functions primarily as a broad-spectrum antimicrobial agent effective against bacteria, yeasts, and molds. Its activity is attributed to the disruption of microbial cell membranes and interference with essential metabolic processes.
Q2: In which types of industrial formulations is Dow ROCIMA 363 Biocide commonly used?
A: It is widely applied in water-based industrial systems including metalworking fluids, latex paints, adhesives, sealants, construction chemicals, and architectural coatings—where long-term preservation against microbial spoilage is required.
Q3: Is Dow ROCIMA 363 Biocide compatible with common formulation ingredients?
A: Yes, it demonstrates good compatibility with anionic, nonionic, and amphoteric surfactants, as well as many thickeners, defoamers, and pH buffers typically found in aqueous industrial formulations. Compatibility testing under actual use conditions is recommended for new or complex systems.
Q4: How should Dow ROCIMA 363 Biocide be dosed in a formulation?
A: Dosage depends on formulation requirements, challenge level, and regulatory considerations. It is typically used at low concentrations, generally ranging from 0.1% to 2% by weight, with optimal performance often achieved within the lower end of this range when properly integrated into stable systems.
Q5: Does Dow ROCIMA 363 Biocide require pH adjustment for optimal stability or efficacy?
A: Dow ROCIMA 363 Biocide performs best in mildly acidic to neutral pH environments (approximately pH 4–8). While it remains active across a broader range, extended exposure to highly alkaline conditions may reduce its shelf life and antimicrobial persistence.
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