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Highly effective broad-spectrum biocide against bacteria, fungi, and algae.
Stable in acidic to neutral pH ranges (pH 3–7), ensuring compatibility with common industrial formulations.
Low volatility and excellent water solubility for uniform distribution in aqueous systems.
Non-oxidizing mode of action, minimizing corrosion risk to metal components.
Compatible with anionic, nonionic, and cationic surfactants and polymers.
Preservation of water-based paints and coatings during storage and application.
Microbial control in adhesives, sealants, and construction chemicals.
Protection of pigment dispersions and latex emulsions against spoilage.
Stabilization of industrial process waters in closed-loop cooling systems.
Biostatic treatment in textile auxiliaries and leather finishing baths.
| Chemical Type | Isothiazolinone-based biocide blend |
| Product Form | Aqueous solution |
| Appearance | Clear, pale yellow liquid |
| pH (1% aqueous solution) | 3.5–4.5 |
| Density (20 °C) | 1.08–1.12 g/cm³ |
| Solubility | Completely miscible with water |
| Primary Applications | Pigment dispersions, architectural coatings, industrial maintenance fluids |
| Key Features | Broad-spectrum efficacy, low odor, formulation stability |
Q1: What is the primary mode of action of Schülme Parmetol K20 Biocide?
A: Schülme Parmetol K20 Biocide functions as a broad-spectrum preservative through membrane disruption and interference with essential microbial metabolic processes, effectively controlling bacteria, yeasts, and molds in water-based systems.
Q2: In which types of formulations is Parmetol K20 typically used?
A: It is commonly incorporated into industrial water-based products such as metalworking fluids, latex paints, adhesives, construction slurries, and cleaning concentrates—where long-term microbiological stability is required under varying pH and temperature conditions.
Q3: Is Parmetol K20 compatible with common formulation ingredients?
A: Yes, Parmetol K20 demonstrates good compatibility with anionic, nonionic, and amphoteric surfactants, thickeners, corrosion inhibitors, and most common co-biocides—though compatibility testing under actual formulation conditions is recommended prior to full-scale use.
Q4: How should Parmetol K20 be added during manufacturing?
A: It is generally added during the cool-down phase or post-emulsification stage to minimize thermal degradation, and should be dispersed uniformly using low-shear mixing. Pre-dilution in water or a compatible solvent may aid homogenous distribution in viscous systems.
Q5: What storage conditions are recommended for optimal shelf life?
A: Store in original sealed containers at temperatures between 5 °C and 30 °C, protected from direct sunlight and frost. Under these conditions, the product maintains its efficacy for up to 24 months from the date of manufacture.
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