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Broad-spectrum antimicrobial activity against bacteria, fungi, and algae.
Stable in a wide pH range (pH 4–10) and compatible with common industrial formulation ingredients.
Low volatility and minimal odor, enhancing workplace safety and user acceptance.
Effective at low use concentrations, supporting cost-efficient dosing in water-based systems.
Non-oxidizing chemistry, reducing corrosion risk to metal components and system infrastructure.
Preservation of water-based paints and coatings during storage and application.
Microbial control in industrial process water systems, including cooling towers and closed-loop circuits.
Protection of adhesives, sealants, and construction chemicals against spoilage.
In-can preservation of architectural and decorative latex paints.
Stabilization of paper mill white water and coating formulations.
| Chemical Type | Isothiazolinone-based biocide (active ingredient: 2-methylisothiazolin-3-one) |
| Product Form | Aqueous solution |
| Appearance | Clear, light yellow liquid |
| pH (as supplied) | 2.5–4.0 |
| Density (20°C) | 1.08–1.12 g/cm³ |
| Solubility | Completely miscible with water |
| Primary Applications | In-can preservative for water-based coatings, adhesives, and industrial fluids |
| Key Features | Non-oxidizing, broad-spectrum, low-dose efficacy, formulation-stable |
Q1: What is the primary mode of action of Dow BIOBAN 623A Biocide?
A: Dow BIOBAN 623A Biocide functions primarily as a broad-spectrum antimicrobial agent that disrupts microbial cell membranes and interferes with essential metabolic processes in bacteria, fungi, and yeasts.
Q2: In which types of industrial formulations is Dow BIOBAN 623A Biocide commonly used?
A: It is widely incorporated into water-based industrial products such as metalworking fluids, latex paints, adhesives, construction chemicals, and cleaning concentrates where long-term microbial stability is required.
Q3: Is Dow BIOBAN 623A Biocide compatible with common formulation ingredients?
A: Yes — it demonstrates good compatibility with many anionic, nonionic, and amphoteric surfactants, thickeners, and pH buffers typically found in industrial aqueous systems, though compatibility testing under actual formulation conditions is recommended.
Q4: How should Dow BIOBAN 623A Biocide be added to a formulation?
A: It is generally added during the cool-down phase or post-emulsification stage to avoid thermal degradation, and should be dispersed uniformly with adequate mixing to ensure consistent distribution and performance.
Q5: What are typical dosage guidelines for Dow BIOBAN 623A Biocide?
A: Dosage depends on the specific formulation, microbial challenge, and regulatory requirements, but it is typically used at low concentrations — generally ranging from 0.1% to 2% by weight — with optimization determined through efficacy and stability testing.
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