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MG Chemicals 4226A: Insulating Varnish

MG Chemicals 4226A – Clear Insulating Varnish – Aerosol

Experience superior electrical insulation with MG Chemicals 4226A – Transparent Insulating Varnish – Aerosol. This high-performance varnish offers excellent arc and corona resistance, ensuring optimal protection for your high voltage parts including transformers, coils, and motor windings. Formulated without harmful air pollutants such as xylene and toluene, 4226A delivers a tough, flexible, and glossy transparent coat, adhering well to metals, glass, and most common plastics. Choose MG Chemicals 4226A for a durable and environmentally friendly solution for your electrical insulation needs. Explore more about our cutting-edge products today!

MG Chemicals 4226A – Clear Insulating Varnish – Aerosol


The MG Chemicals 4226A is a highly insulating varnish, renowned for its exceptional arc and corona resistance. This dielectric coating is a single-component, low viscosity product that is not just user-friendly but also boasts robust adhesion to a wide array of substrates. Designed to provide lasting protection to high voltage components, it safeguards against the adverse effects of arc, corona discharge, corrosion, and moisture fouling. The product presents an impressive finish – tough, flexible, glossy, and durable transparent coat.


  • High Dielectric Strength: The MG Chemicals 4226A secures high dielectric strength ensuring your electronic components remain guarded against high voltages.
  • Humidity and Temperature Resistant: The varnish maintains its dielectric protection even under conditions of high humidity and high temperature, making it suitable for use in challenging environments.
  • Highly Adhesive: Its remarkable adhesion to metals, glass, and most common plastics makes it versatile and ideal for a broad range of applications.
  • Environmentally Safe: This product is free from hazard air pollutant (HAPs) solvents such as xylene and toluene, making it safer for the environment and the user.
  • Excellent Finish: The varnish provides a tough, flexible, glossy, and durable transparent coat, enhancing the aesthetic appeal of your electronic components.


The MG Chemicals 4226A is primarily used to protect high voltage parts from arc, corona discharge, corrosion, and moisture fouling. Its wide range of adhesion capability and high resistivity make it ideal for use in diverse fields. Here are some primary applications:

  • Protection of transformers to extend their lifespan and ensure efficient performance.
  • Shielding of coils to prevent damage from high voltage discharges.
  • Coating of motor windings to protect them from corrosion and moisture fouling.
  • Preservation of various electric generator parts to ensure reliability and durability.

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