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Broad-spectrum fungicidal activity against Aspergillus, Penicillium, Cladosporium, and other common spoilage fungi.
Low-volatility liquid formulation ensures stable performance in high-humidity and elevated-temperature environments.
Compatible with a wide range of water-based industrial formulations, including paints, adhesives, and construction chemicals.
Non-staining and odor-minimized—ideal for applications where aesthetics and user acceptance are critical.
EPA-registered for use in antimicrobial-treated products under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA).
Interior and exterior architectural coatings and latex paints.
Water-based adhesives and sealants for wood, paper, and composite materials.
Cementitious and gypsum-based construction products, including joint compounds and plasters.
Textile and nonwoven fabric treatments for moisture-prone indoor applications.
Industrial maintenance coatings and protective finishes for HVAC systems and duct linings.
| Chemical Type | Isothiazolinone-based biocide (active ingredient: 4,5-dichloro-2-octyl-4-isothiazolin-3-one) |
| Product Form | Clear to slightly hazy amber liquid |
| Appearance | Homogeneous free-flowing liquid |
| Primary Applications | Preservation of water-based industrial formulations |
| Key Features | Broad-spectrum fungicidal efficacy; low volatility; pH stability (pH 4–10) |
| Benefits | Extended product shelf life; reduced microbial degradation; compliance-ready for regulated markets |
| Recommended Use Level | 0.05–0.20% w/w (500–2000 ppm active) depending on formulation and challenge |
| Storage Conditions | Store in original container at 5–30°C; protect from freezing and direct sunlight |
Q1: What is the primary mode of action of Dow BIOBAN 623A?
A: Dow BIOBAN 623A functions as a broad-spectrum fungistatic agent, primarily inhibiting fungal growth through disruption of cellular metabolism and membrane integrity. Its activity is effective against common spoilage fungi, yeasts, and molds in non-sterile industrial environments.
Q2: In which types of formulations is Dow BIOBAN 623A typically used?
A: It is commonly incorporated into water-based industrial products such as metalworking fluids, latex paints, adhesives, construction chemicals, and aqueous polymer dispersions where long-term microbial stability is required during storage and use.
Q3: Is Dow BIOBAN 623A compatible with other common biocides or preservatives?
A: Yes, it generally exhibits good compatibility with isothiazolinones, benzisothiazolinone (BIT), and certain formaldehyde-releasers in multi-biocide systems—though compatibility testing under actual formulation conditions is recommended to confirm synergistic performance and avoid antagonism or precipitation.
Q4: How should Dow BIOBAN 623A be handled and stored to maintain efficacy?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, away from direct sunlight and strong oxidizing agents. Avoid prolonged exposure to freezing conditions or excessive heat, as extreme temperatures may affect physical stability and antimicrobial performance over time.
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E-mail: wangxingqiang@ericwchem.com
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