Clear Insulating Varnish – Easy High Voltage Protection

Clear Protection for High Voltage Electronics

MG Chemicals' Clear Insulating Varnish makes it easy to protect your electronics, wires, and circuits. This high voltage insulating varnish was designed for simple, at-home use—no special tools or experience required! Whether you’re fixing up an old TV, working on motor windings, or just adding protection to exposed wires, this clear insulating coating does the job quickly and effectively.

Part Number: 4226A (intended as a direct replacement for discontinued 4226-55ML "Super Corona Dope")

Why Use MG Chemicals 4226A Super Corona Dope?

• Simple Application: Use the included brush to paint it on, or dip small parts directly in the bottle.
• Versatile Coverage: Works on wires, coils, circuit boards, electric motors, transformers, and more.
• Tough, Glossy Finish: Dries clear and hard, adding a layer of durable insulation you can rely on.
• Multi-Coat Protection: Apply extra coats for even more electrical and moisture protection.

Reliable High Voltage & Moisture Protection

This electrical insulating varnish is specially formulated for high voltage applications. It provides excellent dielectric strength and outstanding resistance to arcing and corona discharge. Use it to:

• Insulate high voltage circuits and components
• Protect against moisture, oxidation, and corrosion
• Prevent arc and corona discharge in transformers, coils, and motors

MG 4226A Clear Insulating Varnish adheres to most materials — like metal, glass, and plastic — and gives reliable insulation where you need it most.

Technical Data & Features

• Material Group I (CTI ≥600 V, PLC=0)
• High Dielectric Strength: Maintains electrical insulation even in high humidity and temperature conditions
• Low Viscosity: Goes on smoothly and evenly without clumping
• Free of Hazardous Solvents: No xylene, toluene, or MEK
• Flexible & Durable: Tough transparent coating stands up to use and time

For more technical details, see the technical data sheet or read more from MG Chemicals.

What's Included

• 1 x 55ml (2 fl oz) bottle of Clear Insulating Varnish
• 2 x applicator brushes

Shipping Restriction: This product cannot be shipped by air. Ground shipping only.