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Highly effective broad-spectrum biocide against bacteria, fungi, and algae in industrial water systems.
Stable across a wide pH range (pH 4–9), maintaining efficacy in diverse process conditions.
Low foaming formulation suitable for high-shear and recirculating cooling water applications.
Compatible with common water treatment additives including corrosion inhibitors and scale dispersants.
Non-oxidizing chemistry that avoids degradation of sensitive system components and polymers.
Cooling water systems in power generation and HVAC facilities.
Process water circuits in paper and pulp manufacturing.
Recirculating water loops in chemical processing plants.
Make-up water treatment for closed-loop industrial cooling towers.
Preservation of water-based metalworking fluids and emulsions.
| Chemical Type | Isothiazolinone-based non-oxidizing biocide |
| Product Form | Liquid concentrate |
| Appearance | Clear, pale yellow to amber liquid |
| pH (as supplied) | 3.5–5.0 |
| Density (20°C) | 1.08–1.12 g/cm³ |
| Solubility | Completely miscible in water |
| Primary Applications | Industrial cooling water, process water, and metalworking fluid preservation |
| Key Features | Broad-spectrum control, low-dose efficiency, thermal and hydrolytic stability |
Q1: What is the primary mode of action of Dow 910SB Biocide?
A: Dow 910SB Biocide functions primarily as a broad-spectrum preservative through disruption of microbial cell membranes and interference with essential metabolic processes, effectively controlling bacteria, yeasts, and molds in industrial formulations.
Q2: In which types of formulations is Dow 910SB Biocide commonly used?
A: It is widely employed in water-based industrial products such as metalworking fluids, latex paints, adhesives, coatings, and construction chemicals—particularly where long-term microbial stability and compatibility with anionic and nonionic systems are required.
Q3: Is Dow 910SB Biocide compatible with common thickeners and surfactants?
A: Yes, Dow 910SB Biocide demonstrates good compatibility with many rheology modifiers (e.g., associative thickeners, cellulose ethers) and both anionic and nonionic surfactants typically found in aqueous industrial formulations.
Q4: How should Dow 910SB Biocide be added to a formulation?
A: It is recommended to add Dow 910SB Biocide during the cool-down phase, after high-shear mixing and pH adjustment, to maximize stability and efficacy. Pre-dilution with water or a compatible solvent may improve dispersion in viscous systems.
Q5: What storage conditions are recommended for optimal shelf life?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from direct sunlight and strong oxidizing agents. Prolonged exposure to freezing or excessive heat may affect performance consistency.
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