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Broad-spectrum fungicidal activity against key mold, yeast, and bacterial contaminants.
Stable across a wide pH range (pH 4–10), supporting compatibility in diverse formulation systems.
Low volatility and non-volatile residue profile, enhancing workplace safety and regulatory compliance.
Effective at low use concentrations, offering cost-efficient preservation without compromising product integrity.
Compatible with common water-based industrial fluids, coatings, adhesives, and construction chemicals.
Preservation of water-based paints and architectural coatings.
Protection of construction adhesives and sealants against microbial degradation.
Stabilization of gypsum-based building materials and joint compounds.
Microbial control in industrial metalworking fluids and coolant concentrates.
Preservation of non-ionic surfactant systems and emulsion polymer formulations.
| Chemical Type | Isothiazolinone-based biocide (active ingredient: 2-methylisothiazolin-3-one) |
| Product Form | Liquid concentrate |
| Appearance | Clear, pale yellow to amber liquid |
| pH (1% aqueous solution) | 3.0–5.0 |
| Density (20°C) | 1.08–1.12 g/cm³ |
| Solubility | Miscible with water and polar organic solvents |
| Primary Applications | Industrial preservation for coatings, adhesives, construction materials, and process fluids |
| Key Features | Broad-spectrum efficacy, pH stability, low odor, and formulation flexibility |
Q1: What is the primary mode of action of Dow BIOBAN 358 Fungicide?
A: Dow BIOBAN 358 Fungicide functions as a broad-spectrum preservative through inhibition of key enzymatic processes in fungal cells, disrupting cell membrane integrity and metabolic activity. Its active ingredient is effective against common spoilage fungi including Aspergillus, Penicillium, and Cladosporium species.
Q2: In which types of industrial formulations is Dow BIOBAN 358 typically used?
A: It is commonly incorporated into water-based industrial products such as metalworking fluids, latex paints, adhesives, caulks, and construction chemicals—particularly where long-term protection against microbial degradation is required during storage and use.
Q3: How stable is Dow BIOBAN 358 in alkaline or acidic environments?
A: Dow BIOBAN 358 demonstrates good stability across a broad pH range, typically maintaining efficacy in formulations with pH values from approximately 4 to 10. Performance may vary depending on specific formulation components, so compatibility testing under intended conditions is recommended.
Q4: Is Dow BIOBAN 358 compatible with common biocides used for bacterial control?
A: Yes, it is frequently used in combination with isothiazolinone-based or formaldehyde-releasing preservatives to provide synergistic broad-spectrum protection. However, compatibility should be verified experimentally in each target formulation due to potential interactions with surfactants, thickeners, or other additives.
Q5: What is the typical dosage range for effective fungal control?
A: Effective dosage generally ranges from 0.1% to 2% by weight in the final product, depending on the formulation type, challenge level, and regulatory requirements. Optimization requires empirical testing under realistic storage and use conditions.
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