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Broad-spectrum fungicidal activity against Aspergillus, Penicillium, Cladosporium, and other common spoilage fungi.
Non-volatile and thermally stable formulation suitable for incorporation into heat-processed products.
Low odor and non-staining — ideal for applications where aesthetic and sensory properties are critical.
Compatible with a wide range of water-based polymers, coatings, adhesives, and latex systems.
Effective at low use concentrations (typically 0.05–0.2% w/w), supporting cost-efficient preservation.
Water-based architectural paints and interior coatings.
Latex adhesives and construction sealants.
Emulsion polymer systems used in textile and paper coatings.
Industrial maintenance coatings exposed to humid or damp environments.
Non-ionic surfactant-containing formulations requiring long-term microbial stability.
| Chemical Type | Isothiazolinone-based biocide (active ingredient: 4,5-dichloro-2-n-octyl-4-isothiazolin-3-one) |
| Product Form | Liquid concentrate |
| Appearance | Clear, pale yellow to amber liquid |
| pH (1% aqueous solution) | 2.5–4.0 |
| Density (25°C) | 1.02–1.06 g/cm³ |
| Solubility | Miscible with water and common organic solvents (e.g., glycol ethers, alcohols) |
| Storage Stability | ≥24 months at 5–30°C in original sealed container |
| Primary Applications | Preservation of water-based industrial formulations against fungal degradation |
Q1: What is the primary mode of action of Dow BIOBAN 586 Fungicide?
A: Dow BIOBAN 586 functions as a broad-spectrum fungistatic agent, primarily inhibiting fungal growth through disruption of cellular metabolism and membrane integrity. Its active ingredient is designed to provide persistent protection in non-leaching applications where long-term microbial control is required.
Q2: In which types of industrial formulations is Dow BIOBAN 586 most commonly used?
A: It is widely incorporated into water-based industrial coatings, adhesives, sealants, construction mortars, and grouts—particularly where resistance to mold, mildew, and staining fungi is critical during service life. It is not intended for use in food-contact surface disinfectants or agricultural crop protection.
Q3: Is Dow BIOBAN 586 compatible with common thickeners and surfactants used in aqueous systems?
A: Yes, Dow BIOBAN 586 demonstrates good compatibility with many anionic, nonionic, and amphoteric surfactants, as well as common associative and cellulosic thickeners. Compatibility should be verified empirically in each specific formulation due to potential interactions with highly ionic or reactive components.
Q4: How does temperature affect the stability and performance of Dow BIOBAN 586 in formulated products?
A: Dow BIOBAN 586 maintains chemical stability under typical storage and processing conditions (up to approximately 60 °C). Prolonged exposure to elevated temperatures (>70 °C) or strongly acidic or alkaline environments may reduce its efficacy over time, so addition is generally recommended during the cool-down phase of manufacturing.
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