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Broad-spectrum fungicidal activity against common mold, yeast, and bacterial contaminants.
Water-soluble liquid formulation for easy integration into aqueous systems without precipitation or phase separation.
Stable across a wide pH range (pH 4–10), ensuring compatibility with diverse industrial formulations.
Low volatility and non-volatile active ingredient, supporting safe handling and reduced inhalation risk.
Designed for long-term preservation efficacy in low-dose applications, minimizing impact on final product aesthetics and performance.
Preservation of water-based paints and coatings during storage and application.
Protection of architectural and industrial adhesives and sealants against microbial degradation.
Stabilization of construction chemicals including grouts, mortars, and cementitious slurries.
Microbial control in metalworking fluids to prevent spoilage and odor formation.
| Chemical Type | Isothiazolinone-based biocide (mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one) |
| Product Form | Clear, amber-colored aqueous solution |
| Appearance | Homogeneous liquid, free from visible particles or sediment |
| Active Ingredient Content | Approx. 2.0% w/w total isothiazolinones |
| pH (1% aqueous solution) | 3.0 – 5.0 |
| Density (20°C) | 1.02 – 1.06 g/cm³ |
| Solubility | Completely miscible with water in all proportions |
| Primary Applications | Preservation of water-based industrial formulations |
Q1: What is the primary mode of action of Dow BIOBAN I-20?
A: Dow BIOBAN I-20 functions as a broad-spectrum fungistatic and bacteriostatic agent, primarily inhibiting microbial growth through disruption of cellular metabolism and membrane integrity. Its active ingredient is iodopropynyl butylcarbamate (IPBC), which is effective against molds, yeasts, and bacteria commonly encountered in water-based industrial formulations.
Q2: In which types of formulations is Dow BIOBAN I-20 most commonly used?
A: It is widely employed in water-based industrial products such as architectural coatings, adhesives, sealants, construction chemicals, and textile auxiliaries—particularly where long-term protection against spoilage during storage and in-can stability are critical. It is not intended for direct application to surfaces or for use in personal care or food-contact applications without thorough regulatory evaluation.
Q3: How should Dow BIOBAN I-20 be incorporated into a formulation?
A: It is typically added during the post-emulsification or cool-down stage of manufacturing, after pH adjustment, to avoid degradation under strongly alkaline or highly acidic conditions. Good dispersion can be achieved by pre-diluting in a compatible solvent or co-solvent and then incorporating with mild agitation. Compatibility with other preservatives should be verified experimentally.
Q4: Is Dow BIOBAN I-20 compatible with common thickeners and surfactants?
A: Yes, it demonstrates good compatibility with many nonionic and anionic surfactants, as well as associative and cellulosic thickeners commonly used in water-based systems. However, performance may vary depending on formulation pH, ionic strength, and presence of reducing agents—so compatibility testing under actual use conditions is recommended.
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E-mail: wangxingqiang@ericwchem.com
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