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Broad-spectrum antimicrobial efficacy against bacteria, fungi, and algae.
Stable in water-based formulations across a wide pH range (pH 4–10).
Low volatility and minimal odor, supporting safer handling and user acceptance.
Compatible with common surfactants, thickeners, and other formulation ingredients.
Non-oxidizing mode of action, reducing corrosion risk in industrial systems.
Preservation of water-based paints and coatings.
Antimicrobial protection in architectural and industrial adhesives.
Stabilization of construction chemicals including grouts and mortars.
Biostatic control in metalworking fluid concentrates.
Protection of non-ionic and anionic emulsion polymer systems.
| Chemical Type | Isothiazolinone-based biocide (mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one) |
| Product Form | Aqueous solution |
| Appearance | Clear, pale yellow liquid |
| pH (1% aqueous solution) | 2.5–4.5 |
| Active Content | 2.0 ± 0.2 wt% total isothiazolinones |
| Density (20°C) | 1.02–1.06 g/cm³ |
| Solubility | Miscible with water and polar organic solvents (e.g., glycols, alcohols) |
| Storage Stability | ≥24 months at 5–25°C in original sealed container |
Q1: What is the primary mode of action of Dow BIOBAN I-20 Biocide?
A: Dow BIOBAN I-20 Biocide functions as a broad-spectrum preservative through the controlled release of formaldehyde, which disrupts essential cellular processes in bacteria, yeasts, and molds.
Q2: In which types of industrial formulations is Dow BIOBAN I-20 Biocide commonly used?
A: It is widely employed in water-based industrial products such as metalworking fluids, latex paints, adhesives, caulks, and construction chemicals—particularly where long-term microbial stability and low volatility are required.
Q3: How should Dow BIOBAN I-20 Biocide be incorporated into a formulation?
A: It is typically added during the cool-down phase of manufacturing, after high-temperature processing, to preserve efficacy. Compatibility with other ingredients should be verified experimentally, and pH should generally be maintained between 5 and 9 for optimal performance.
Q4: Is Dow BIOBAN I-20 Biocide suitable for use in applications requiring low odor or reduced formaldehyde emissions?
A: While it provides effective preservation with relatively low volatility compared to pure formaldehyde, it does release formaldehyde over time. For highly sensitive applications, users should assess emission profiles under intended storage and use conditions and consider complementary stabilization strategies.
Q5: What are key handling and safety considerations when working with this biocide?
A: As a formaldehyde-releasing agent, appropriate engineering controls, personal protective equipment (e.g., gloves, eye protection, and adequate ventilation), and adherence to site-specific occupational health guidelines are recommended during handling and dosing.
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