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Broad-spectrum efficacy against bacteria, fungi, and algae in recirculating cooling water systems.
Non-oxidizing biocide formulation compatible with common scale and corrosion inhibitors.
Stable performance across a wide pH range (6.0–9.5) and elevated operating temperatures.
Low foam generation, minimizing operational interference in high-turbulence systems.
Designed for continuous or slug dosing with predictable residual activity and low environmental persistence.
Industrial recirculating cooling water systems in power generation facilities.
Process water circuits in chemical manufacturing plants.
Closed-loop chilled water systems in HVAC applications.
Heat exchanger networks requiring biofouling control without oxidant interference.
| Chemical Type | Heterocyclic nitrogen compound (isothiazolinone-based) |
| Product Form | Aqueous solution |
| Appearance | Clear, pale yellow liquid |
| pH (as supplied) | 7.0–8.5 |
| Density (20 °C) | 1.02–1.05 g/cm³ |
| Active Ingredient Content | 14.0 ± 0.5% w/w (based on total isothiazolinones) |
| Primary Applications | Non-oxidizing biocide for industrial cooling water treatment |
| Key Features | Microbiologically stable, low volatility, non-corrosive to carbon steel and copper alloys |
Q1: What is the primary mode of action of Lonza Isocil RW 14 Biocide?
A: Lonza Isocil RW 14 Biocide functions as a broad-spectrum antimicrobial agent, primarily inhibiting microbial growth through disruption of cellular metabolism and interference with essential enzymatic activity in bacteria, yeasts, and molds.
Q2: In which types of industrial water systems is Isocil RW 14 typically applied?
A: It is commonly used in recirculating cooling water systems, process water loops, and closed-loop heating/cooling systems where biofilm formation and microbiological fouling pose operational or corrosion risks.
Q3: How stable is Isocil RW 14 under varying pH and temperature conditions?
A: The biocide demonstrates good stability across a typical industrial water pH range (6.0–9.0) and maintains efficacy at elevated system temperatures encountered in warm-water applications, though prolonged exposure to extreme alkalinity or sustained high heat may gradually reduce residual activity.
Q4: Is Isocil RW 14 compatible with common water treatment additives such as corrosion inhibitors and scale preventatives?
A: Yes, it is generally compatible with many conventional phosphonate- and polymer-based scale inhibitors, as well as azole- and molybdate-type corrosion inhibitors—however, compatibility should always be verified under actual system conditions prior to full-scale implementation.
Q5: What safety and handling considerations apply during storage and dosing?
A: As with all industrial biocides, appropriate personal protective equipment (PPE) including gloves and eye protection is recommended during handling. Store in original containers in a cool, dry, well-ventilated area away from direct sunlight and incompatible materials. Always consult the Safety Data Sheet for detailed guidance.
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