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Effective broad-spectrum biocide targeting bacteria, fungi, and algae in industrial water systems.
Stable performance across a wide pH range (pH 4–9) and tolerant to common water treatment additives.
Low foaming formulation suitable for high-shear and recirculating cooling water applications.
Compatible with common corrosion inhibitors and scale control agents without compromising efficacy.
Designed for continuous or slug dosing with predictable residual activity and minimal impact on system metallurgy.
Industrial closed-loop cooling water systems.
Open recirculating cooling towers.
Process water circuits in pulp and paper manufacturing.
Heat exchanger and condenser water loops in power generation facilities.
Make-up water treatment in HVAC and chilled water systems.
| Chemical Type | Isothiazolinone-based biocide blend |
| Product Form | Aqueous liquid concentrate |
| Appearance | Clear to slightly hazy, light amber liquid |
| Primary Applications | Microbial control in industrial cooling and process water |
| Key Features | Broad-spectrum, low-foam, pH-stable, additive-compatible |
| Recommended Use Concentration | 50–200 ppm active ingredient (based on system demand) |
| Storage Temperature Range | 5–35 °C (41–95 °F) |
| Shelf Life (unopened) | 24 months from date of manufacture |
Q1: What is Dow AQUCAR IG 50 Biocide primarily used for?
A: Dow AQUCAR IG 50 Biocide is a broad-spectrum preservative designed to control microbial growth—including bacteria, yeasts, and molds—in water-based industrial formulations, particularly in aqueous polymer systems, adhesives, coatings, and construction chemicals.
Q2: Is AQUCAR IG 50 compatible with common thickeners and surfactants?
A: Yes, AQUCAR IG 50 Biocide demonstrates good compatibility with many non-ionic and anionic surfactants, as well as common associative and non-associative thickeners used in architectural and industrial coatings. Compatibility testing under actual formulation conditions is recommended prior to full-scale implementation.
Q3: How should AQUCAR IG 50 Biocide be added to a formulation?
A: It is typically added during the cool-down phase, after high-shear mixing and heat-sensitive components have been incorporated. Addition at temperatures below 50 °C helps preserve its efficacy and stability. Uniform dispersion is essential for optimal performance.
Q4: Does AQUCAR IG 50 Biocide provide long-term preservation in stored products?
A: When used at appropriate dosage levels and within compatible pH ranges (typically 4–10), AQUCAR IG 50 Biocide delivers robust, long-term preservation against microbial spoilage during storage and shelf life—provided the formulation remains uncontaminated during handling and packaging.
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E-mail: wangxingqiang@ericwchem.com
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