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Broad-spectrum efficacy against bacteria, fungi, and algae in industrial water systems.
Stable performance across a wide pH range (pH 4–9) and tolerant to common water treatment additives.
Low-foaming formulation suitable for high-shear and recirculating cooling water applications.
Compatible with oxidizing biocides for synergistic control in challenging microbial environments.
Designed for continuous or intermittent dosing with predictable residual activity and minimal corrosion impact.
Cooling water systems in power generation and HVAC installations.
Process water circuits in paper & pulp manufacturing.
Recirculating water in metalworking fluid sumps and central systems.
Industrial wastewater treatment basins and biological nutrient removal (BNR) units.
Make-up water lines and closed-loop heat exchange systems.
| Chemical Type | Heterocyclic nitrogen compound (isothiazolinone-based) |
| Product Form | Aqueous solution |
| Appearance | Clear, light amber liquid |
| pH (as supplied) | 3.0 – 5.0 |
| Density (20 °C) | 1.08 – 1.12 g/cm³ |
| Solubility in Water | Completely miscible |
| Primary Applications | Non-oxidizing biocide for industrial water treatment |
| Key Features | Broad-spectrum, low-foaming, pH-stable, oxidant-compatible |
Q1: What is the primary mode of action of Dow ROCIMA 623 Biocide?
A: Dow ROCIMA 623 Biocide functions primarily as a broad-spectrum antimicrobial agent effective against bacteria, yeasts, and molds. Its activity is attributed to its ability to disrupt microbial cell membranes and interfere with essential metabolic processes.
Q2: In which types of industrial formulations is Dow ROCIMA 623 Biocide commonly used?
A: It is widely incorporated into water-based industrial products such as metalworking fluids, latex paints, adhesives, caulks, and construction chemicals—particularly where long-term preservation against microbial spoilage is required during storage and use.
Q3: Is Dow ROCIMA 623 Biocide compatible with common formulation ingredients?
A: Yes, it demonstrates good compatibility with a wide range of surfactants, thickeners, pigments, and other typical formulation components. However, compatibility should always be verified under actual formulation conditions, especially in systems containing strong oxidizers or highly alkaline components.
Q4: How should Dow ROCIMA 623 Biocide be added to a formulation?
A: It is typically added during the cool-down phase of formulation, after high-temperature processing is complete, to preserve its efficacy. For optimal dispersion, it may be pre-diluted with water or a compatible solvent before incorporation.
Q5: What are key handling and safety considerations for this biocide?
A: As with all industrial biocides, appropriate personal protective equipment (PPE) including gloves and eye protection should be worn during handling. It should be stored in a cool, dry place away from direct sunlight and incompatible materials. Always consult the Safety Data Sheet (SDS) for detailed safety, first-aid, and disposal guidance.
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