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Broad-spectrum fungicidal activity against key spoilage fungi including Aspergillus, Penicillium, and Cladosporium species.
Low-use concentration formulation enabling effective microbial control without compromising material integrity or aesthetics.
Stable across a wide pH range (pH 4–10), ensuring compatibility with diverse industrial formulations and process conditions.
Non-volatile and non-leaching when incorporated into polymer matrices, providing long-term protection in finished products.
Registered for use in multiple global regions under relevant biocidal product regulations (e.g., EU BPR, US EPA).
Preservation of water-based paints and coatings to prevent mold and mildew growth during storage and in-service exposure.
Protection of construction materials such as gypsum board, insulation foams, and sealants against fungal colonization.
Stabilization of adhesives and mastics used in humid indoor environments including bathrooms and basements.
Functional additive in polymer composites and fiberboard to inhibit surface discoloration and degradation.
Formulation component for industrial cleaning solutions requiring residual antifungal performance.
| Chemical Type | Isothiazolinone-based biocide (active ingredient: 2-methylisothiazolin-3-one) |
| Product Form | Liquid concentrate |
| Appearance | Clear, pale yellow to amber liquid |
| pH (1% aqueous solution) | 3.0–5.0 |
| Solubility | Freely soluble in water and polar organic solvents (e.g., glycols, alcohols) |
| Primary Applications | Industrial preservation, building materials protection, coatings & adhesives stabilization |
| Key Features | Broad antifungal spectrum, low volatility, thermal stability up to 60°C |
| Storage Conditions | Store at 5–30°C in original sealed container; protect from freezing and direct sunlight |
Q1: What types of fungi does Lonzaserve 250 effectively control?
A: Lonzaserve 250 is a broad-spectrum fungicide designed to inhibit the growth of common spoilage and contamination fungi, including Aspergillus, Penicillium, Cladosporium, and yeasts such as Candida and Rhodotorula, particularly in non-sterile industrial water systems and water-based formulations.
Q2: In which industrial applications is Lonzaserve 250 typically used?
A: It is commonly applied in metalworking fluids, latex emulsions, adhesives, paints and coatings, and other water-containing industrial products where microbial stability is critical during storage and use. Its compatibility with many anionic and nonionic surfactants makes it suitable for complex formulation matrices.
Q3: How should Lonzaserve 250 be dosed in a formulation?
A: Dosage depends on the specific formulation, microbial challenge, and process conditions. It is typically used at low concentrations—generally ranging from 0.1% to 2% by weight—and is often added during the final stage of manufacturing to ensure uniform distribution and optimal preservation performance.
Q4: Is Lonzaserve 250 compatible with common biocides used in combination treatments?
A: Yes, Lonzaserve 250 demonstrates good compatibility with several widely used isothiazolinone and formaldehyde-releasing preservatives, enabling synergistic or complementary activity in multi-biocide strategies. Compatibility testing under actual use conditions is recommended prior to full-scale implementation.
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