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Broad-spectrum efficacy against bacteria, fungi, and algae in industrial water systems.
Stable performance across a wide pH range (pH 4–10) and elevated temperatures.
Low volatility and minimal odor, enhancing workplace safety and handling convenience.
Compatible with common corrosion inhibitors, dispersants, and other water treatment additives.
Non-oxidizing chemistry, reducing risk of material degradation and system fouling.
Cooling water systems in power generation and HVAC installations.
Process water circuits in pulp and paper manufacturing.
Recirculating water loops in chemical and petrochemical plants.
Make-up water treatment for closed-loop industrial cooling towers.
Preservation of process fluids in metalworking and machining operations.
| Chemical Type | Isothiazolinone-based biocide blend |
| Product Form | Aqueous liquid solution |
| Appearance | Pale yellow to amber clear liquid |
| Active Ingredient Content | Approx. 2.4% w/w total isothiazolinones |
| Density (20°C) | 1.02–1.05 g/cm³ |
| pH (as supplied) | 3.5–5.0 |
| Solubility | Completely miscible with water |
| Storage Stability | ≥24 months at 5–30°C in original sealed container |
Q1: What is the primary mode of action of Solvay Tolcide PS24DF Biocide?
A: Solvay Tolcide PS24DF Biocide functions as a broad-spectrum preservative through controlled release of active biocidal components, primarily targeting bacteria, yeasts, and molds by disrupting essential cellular processes such as membrane integrity and metabolic enzyme activity.
Q2: In which types of industrial formulations is Solvay Tolcide PS24DF Biocide commonly used?
A: It is widely applied in water-based industrial systems including metalworking fluids, latex paints and coatings, adhesives, construction chemicals, and nonwoven fabric treatments—where long-term microbial stability and compatibility with common formulation ingredients are required.
Q3: Is Solvay Tolcide PS24DF Biocide compatible with common thickeners and surfactants?
A: Yes, it demonstrates good compatibility with associative and non-associative thickeners (e.g., HEUR, HEC), anionic and nonionic surfactants, and typical co-biocides used in preservation strategies—though compatibility testing under actual formulation conditions is recommended prior to full-scale implementation.
Q4: How should Solvay Tolcide PS24DF Biocide 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 high humidity or freezing conditions. Handle using standard industrial hygiene practices, including appropriate PPE for chemical handling.
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