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Broad-spectrum fungicidal activity against bacteria, fungi, and algae in water-based formulations.
Stable across a wide pH range (pH 4–10), ensuring compatibility with diverse industrial systems.
Low volatility and non-volatile carrier (DPG) enhances formulation safety and handling stability.
Effective at low use concentrations (typically 0.05–0.2% w/w), supporting cost-efficient dosing.
Readily biodegradable under aerobic conditions, aligning with environmental stewardship goals.
Preservation of water-based paints and coatings during storage and application.
Protection of adhesives, sealants, and caulks against microbial degradation.
Stabilization of architectural and industrial latex emulsions.
Microbial control in metalworking fluid concentrates and ready-to-use fluids.
Preservation of construction chemicals including grouts, mortars, and cementitious slurries.
| Chemical Type | 1,2-Benzisothiazolin-3-one (BIT) |
| Product Form | Liquid concentrate |
| Appearance | Clear, pale yellow to amber liquid |
| Active Ingredient Content | 20% w/w BIT in dipropylene glycol (DPG) |
| Density (20°C) | Approx. 1.08–1.12 g/cm³ |
| Solubility | Miscible with water and common polar organic solvents |
| Storage Stability | ≥24 months at 5–30°C in original sealed container |
| Primary Applications | Industrial preservative for aqueous formulations |
Q1: What is the primary active ingredient in Dow BIOBAN BIT 20 DPG Fungicide?
A: The active ingredient is 1,2-benzisothiazolin-3-one (BIT), a broad-spectrum biocide effective against bacteria, yeasts, and fungi. It is supplied in a stabilized liquid formulation with dipropylene glycol (DPG) as the carrier solvent.
Q2: In which types of industrial formulations is this product typically used?
A: Dow BIOBAN BIT 20 DPG is commonly incorporated into water-based coatings, adhesives, construction chemicals, metalworking fluids, and cleaning products where long-term microbial stability is required during storage and use.
Q3: How does the DPG-based formulation benefit end users compared to other BIT solutions?
A: The dipropylene glycol carrier enhances solubility and compatibility in polar systems, improves low-temperature stability, and facilitates uniform dispersion—reducing the risk of phase separation or crystallization during handling and formulation.
Q4: Is Dow BIOBAN BIT 20 DPG suitable for use in applications requiring regulatory compliance for indirect food contact?
A: This product is designed for industrial preservation applications. While BIT itself is approved for certain indirect food-contact uses under specific regulatory frameworks, final compliance depends on the complete formulation, intended use conditions, and applicable regional regulations—formulators must conduct their own due diligence and validation.
Q5: What are key handling and stability considerations for this product?
A: Store in a cool, dry place away from strong oxidizers and direct sunlight. The formulation is stable under typical ambient storage conditions but may undergo gradual degradation at elevated pH (>9.5) or temperatures above 50°C over extended periods. Always follow recommended dosing guidelines to maintain efficacy without compromising formulation integrity.
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