Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Lonza Isocil IG-C Fungicide

Lonza Isocil IG-C Fungicide is a broad-spectrum, non-systemic fungicide belonging to the isothiazolinone class. Formulated for industrial water systems, it effectively controls bacteria, fungi, and algae. The IG-C variant offers enhanced stability and compatibility in cooling towers, paper mills, and oilfield applications. Trusted for its rapid kill kinetics and low-dose efficacy, it supports regulatory compliance and material safety.
  • lonza isocil ig c fungicide_3b71b2a1
  • lonza isocil ig c fungicide_3b71b2a1

Features Of Lonza Isocil IG-C Fungicide

  1. Broad-spectrum fungicidal activity against key spoilage fungi including Aspergillus, Penicillium, and Cladosporium.

  2. Stable across a wide pH range (pH 3–10), ensuring compatibility with diverse industrial formulations.

  3. Low volatility and minimal odor, supporting safe handling in enclosed manufacturing environments.

  4. Non-oxidizing chemistry, preserving integrity of sensitive polymers, surfactants, and active ingredients.

  5. Approved for use in non-food-contact industrial applications under global regulatory frameworks (e.g., EU BPR, US EPA).

Typical Applications Of Lonza Isocil IG-C Fungicide

  1. Preservation of water-based paints and coatings during storage and application.

  2. Protection of adhesives and sealants against microbial degradation in construction and automotive sectors.

  3. Stabilization of metalworking fluids to prevent fungal biofilm formation and emulsion breakdown.

  4. Microbial control in industrial cleaning concentrates and disinfectant formulations.

  5. Long-term preservation of architectural and decorative plasters and renders.

Specifications Of Lonza Isocil IG-C Fungicide

Chemical TypeIsothiazolinone-based biocide (mixture of 5-chloro-2-methyl-4-isothiazolin-3-one and 2-methyl-4-isothiazolin-3-one)
Product FormAqueous solution
AppearanceClear, light yellow liquid
pH (1% aqueous solution)2.5 – 4.5
Density (20 °C)1.08 – 1.12 g/cm³
SolubilityMiscible with water and common polar organic solvents
Primary ApplicationsIndustrial preservative for paints, coatings, adhesives, metalworking fluids, and cleaning formulations
Key FeaturesFast-acting, persistent antifungal performance; low ecotoxicity profile; compatible with anionic, nonionic, and cationic systems


Lonza Isocil IG-C Fungicide – Frequently Asked Questions (FAQ)

Q1: What is the primary mode of action of Lonza Isocil IG-C Fungicide?

A: Lonza Isocil IG-C Fungicide functions primarily as a broad-spectrum preservative by inhibiting essential enzymatic activity in microorganisms, thereby preventing fungal growth and spoilage in industrial formulations.


Q2: In which types of industrial systems is Lonza Isocil IG-C Fungicide commonly used?

A: It is widely applied in water-based industrial products such as metalworking fluids, latex paints, adhesives, construction chemicals, and process water systems where long-term microbial control is required.


Q3: How should Lonza Isocil IG-C Fungicide be incorporated into a formulation?

A: It is typically added during the final stage of formulation, after pH adjustment and cooling, to ensure stability and optimal performance. Compatibility testing with other ingredients is recommended prior to full-scale use.


Q4: Is Lonza Isocil IG-C Fungicide suitable for use in products requiring regulatory compliance for indirect food contact?

A: Lonza Isocil IG-C Fungicide is designed for industrial applications and is not intended for direct or indirect food-contact uses unless explicitly authorized under applicable regional regulations and supported by specific technical documentation.


Q5: What storage conditions are recommended to maintain product efficacy?

A: Store in original, tightly sealed containers at temperatures between 5 °C and 30 °C, away from direct sunlight and strong oxidizing agents. Avoid freezing, as prolonged exposure to low temperatures may affect physical consistency and performance.



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