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Broad-spectrum antimicrobial activity against bacteria, fungi, and algae.
Excellent stability in high-pH and oxidizing environments commonly found in industrial water systems.
Low volatility and minimal odor, enhancing workplace safety and handling convenience.
Compatible with common water treatment additives, including corrosion inhibitors and dispersants.
Effective at low dosing concentrations, supporting cost-efficient system protection.
Cooling water systems in HVAC and industrial heat exchange applications.
Process water circuits in paper manufacturing and pulp mills.
Recirculating water systems in power generation facilities.
Make-up water treatment for closed-loop industrial cooling towers.
Preservation of water-based metalworking fluids and emulsions.
| Chemical Type | Isothiazolinone-based biocide (active ingredient: 1,2-benzisothiazolin-3-one) |
| Product Form | Liquid concentrate |
| Appearance | Clear to slightly hazy, pale yellow liquid |
| pH (1% aqueous solution) | 2.0 – 4.0 |
| Density (20°C) | 1.08 – 1.12 g/cm³ |
| Solubility | Miscible with water in all proportions |
| Primary Applications | Industrial water treatment, metalworking fluid preservation, paper mill systems |
| Key Features | Broad-spectrum efficacy, oxidative stability, low-dose performance |
Q1: What is the primary mode of action of DOWICIL 75 Biocide?
A: DOWICIL 75 Biocide is a broad-spectrum isothiazolinone-based biocide that functions by disrupting essential cellular processes in microorganisms, including inhibition of enzyme activity and interference with membrane integrity, leading to rapid microbial cell death.
Q2: In which types of industrial formulations is DOWICIL 75 Biocide commonly used?
A: It is widely employed in water-based industrial products such as metalworking fluids, latex paints and coatings, adhesives, sealants, construction chemicals, and cleaning solutions—particularly where long-term preservation against bacteria, fungi, and algae is required.
Q3: How stable is DOWICIL 75 Biocide under typical formulation conditions?
A: DOWICIL 75 Biocide demonstrates good stability across a broad pH range (approximately pH 2–12) and remains effective in formulations exposed to moderate temperatures and common surfactants or thickeners—though compatibility should always be verified during full formulation development.
Q4: Is DOWICIL 75 Biocide suitable for use in products intended for direct food contact applications?
A: No—DOWICIL 75 Biocide is not approved for use in food-contact materials or food-processing environments. It is intended exclusively for non-food industrial applications where microbial control is needed in finished products or process streams.
Q5: What safety and handling precautions should be observed when working with DOWICIL 75 Biocide?
A: As with all biocidal actives, appropriate personal protective equipment (PPE) including gloves, goggles, and respiratory protection should be used during handling. Avoid skin contact and inhalation of mists or vapors. Always consult the latest Safety Data Sheet (SDS) for detailed hazard information and first-aid measures.
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E-mail: wangxingqiang@ericwchem.com
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Building A1, Jiete Industrial Park, Huangpu District, Guangzhou City, Guangdong Province, China
