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Broad-spectrum fungicidal activity against key filamentous fungi and yeasts in industrial water systems.
Stable performance across a wide pH range (pH 4–10) and tolerant to common water treatment additives.
Low foaming formulation suitable for high-shear recirculating systems including cooling towers and paper machine wet ends.
Compatible with oxidizing biocides, allowing flexible integration into multi-biocide control programs.
Non-oxidizing mode of action helps mitigate microbial resistance development in long-term applications.
Cooling water systems in HVAC and industrial process cooling circuits.
Paper and board manufacturing – control of slime-forming fungi in white water and coating systems.
Recirculating metalworking fluid systems to prevent fungal degradation and odor formation.
Paint and coating manufacturing – preservation of water-based formulations during production and storage.
Oilfield injection water systems to suppress sulfate-reducing and acid-producing fungi.
| Chemical Type | Benzisothiazolinone (BIT)-based non-oxidizing biocide |
| Product Form | Aqueous solution |
| Appearance | Clear, light yellow liquid |
| Active Ingredient Content | 2.0% w/w benzisothiazolinone |
| pH (1% aqueous solution) | 7.0–8.5 |
| Density (20°C) | 1.02–1.05 g/cm³ |
| Solubility | Completely miscible with water |
| Primary Applications | Industrial water treatment, paint & coatings, papermaking, metalworking fluids |
Q1: What is the primary active ingredient in Lonza Benzocil 20 Fungicide?
A: Lonza Benzocil 20 Fungicide is a broad-spectrum biocide based on benzalkonium chloride (BAC), formulated as a 20% active solution in water. It is designed for effective control of bacteria, yeasts, molds, and algae in industrial water systems and process streams.
Q2: In which types of industrial systems is Lonza Benzocil 20 typically applied?
A: It is commonly used in recirculating cooling water systems, paper mill white water systems, metalworking fluids, and other non-potable industrial water applications where microbial growth poses operational or quality risks. Its compatibility with common system chemistries supports stable performance under varying pH and temperature conditions.
Q3: How should Lonza Benzocil 20 be dosed for optimal efficacy?
A: Dosage depends on system characteristics such as microbial load, water chemistry, and retention time. It is typically used at low concentrations—generally ranging from 0.1% to 2% by weight of the treated stream—and is often applied continuously or intermittently based on monitoring results and treatment objectives.
Q4: Is Lonza Benzocil 20 compatible with common corrosion inhibitors and scale preventatives?
A: Yes, Lonza Benzocil 20 demonstrates good compatibility with many conventional corrosion inhibitors (e.g., phosphonates, azoles) and scale inhibitors (e.g., polyacrylates, phosphinocarboxylates) when used within recommended dosage ranges. Compatibility testing under site-specific conditions is advised prior to full-scale implementation.
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E-mail: wangxingqiang@ericwchem.com
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