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Broad-spectrum efficacy against 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 systems.
Compatible with common corrosion inhibitors and scale control agents, minimizing formulation conflicts.
Biodegradable active components aligned with EU Ecolabel and OECD 301B screening criteria.
Cooling water systems in HVAC and power generation facilities.
Process water circuits in paper & pulp mills and textile manufacturing.
Recirculating water loops in food & beverage production plants.
Make-up water treatment for closed-loop industrial heat exchange systems.
Preservation of water-based metalworking fluids during storage and operation.
| Chemical Type | Heterocyclic biocide blend (isothiazolinone-based) |
| Product Form | Clear, amber liquid |
| Appearance | Homogeneous, free from sediment or phase separation |
| pH (1% aqueous solution) | 6.5 – 7.5 |
| Density (20 °C) | 1.08 – 1.12 g/cm³ |
| Solubility | Completely miscible with water in all proportions |
| Primary Applications | Industrial cooling water, process water, metalworking fluids |
| Key Features | Non-oxidizing, low-toxicity, non-volatile active ingredients |
Q1: What is the primary mode of action of Schülme Grotan BA21 Biocide?
A: Schülme Grotan BA21 Biocide functions primarily as a broad-spectrum preservative through controlled release of active biocidal components that disrupt microbial cell membranes and metabolic processes, effectively inhibiting bacteria, yeasts, and molds in aqueous systems.
Q2: In which types of industrial formulations is Grotan BA21 typically used?
A: Grotan BA21 is commonly incorporated into water-based industrial products such as metalworking fluids, latex paints and coatings, adhesives, construction slurries, and cleaning concentrates—where long-term microbiological stability and low-odor performance are required.
Q3: How should Grotan BA21 be added to a formulation?
A: It is recommended to add Grotan BA21 during the cool-down phase of formulation, after high-temperature processing, to preserve its efficacy. Pre-dilution in water or compatible solvent may improve dispersion, and thorough mixing ensures uniform distribution throughout the batch.
Q4: Is Grotan BA21 compatible with common surfactants and thickeners?
A: Yes, Grotan BA21 demonstrates good compatibility with a wide range of nonionic and anionic surfactants, cellulose ethers, associative thickeners, and common co-biocide systems—though compatibility testing under actual formulation conditions is advised to confirm stability and performance.
Q5: What safety and handling precautions should be observed?
A: As with all biocidal agents, appropriate personal protective equipment—including gloves and eye protection—should be worn during handling. Avoid inhalation of mists or prolonged skin contact. Refer to the Safety Data Sheet (SDS) for detailed toxicological information and first-aid measures.
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