# MG Chemicals 4226A-1L Clear Insulating Varnish, 945 ml

MG Chemicals 4226A clear insulating varnish is a liquid polyurethane coating listed for electrical insulation and protection against arc, corrosion, and moisture. Its listed 945 ml volume is less than the 1 L can wording in the title, so confirm the package size for the selected listing.

- [Original product page](https://best-deals.pro/product/mg-chemicals-4226a-1l-clear-insulating-varnish)
- [View offer](https://best-deals.pro/visit/mg-chemicals-4226a-1l-clear-insulating-varnish)
- Market: US
- Language: en-US
- Currency: USD
- Brand: MG Chemicals
- Model: 4226A-1L
- Price: 53.20 USD
- Previous price: 80.36 USD
- Discount: 34%
- Price checked: 2026-11-14T07:06:48.891Z
- Rating: 5 / 5
- Reviews: 4

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Listed for insulating high-voltage components, including transformers, coils, motor windings, and generator parts.
- Manufacturer describes the coating as low-viscosity, one-part, and adherent to many substrates.
- The product description claims protection under high humidity and high temperature conditions.

## Pros

- Liquid, one-part formulation is described as easy to use and adherent to metals, glass, and most common plastics.
- The stated protection covers arc, corrosion, and moisture, making it relevant to electrical assemblies.

## Specifications

### Identity
- Brand: MG Chemicals
- Model: 4226A-1L
### Materials and protection
- Material listed: Polyurethane \(PU\)
- Item form: Liquid
- Finish: Gloss
- Recommended use: Exterior, Interior
- Compatible materials: Metals, Glass, Most common plastics
- Listed protection: Arc, corrosion, and moisture protection
- Liquid volume: 945 ml
### Manufacturer claims
- Standards claim: Meets UL EIS Standards
- Dielectric strength claim: 3 000 V/mil

## Before you buy

- The title says 1 L, while the product details list 945 ml. The model ends in 1L, but the stated liquid volume remains 945 ml. Confirm the volume and selected package before purchase. The listed rating is uniformly five-star but based on only a small number of ratings, with no written feedback supplied, so it does not establish application-specific performance.

## A good fit for

- Electrical technicians or repairers coating transformers, coils, motor windings, and generator parts.
- Buyers seeking a clear, glossy polyurethane insulating varnish for metal, glass, or common plastic substrates.

## Less suited to

- Buyers who require a confirmed full 1 L volume or an explicitly documented package inventory.
- Buyers needing an independently verified performance rating or application instructions not provided in the listing.

## Customer feedback

The supplied evidence contains only aggregate ratings, not written customer feedback. The ratings are uniformly five-star but come from a small sample, so they offer limited context and do not show whether the varnish worked well for particular electrical applications.

## Frequently asked questions

### How much varnish is listed?
The product details state 945 ml, while the title says 1 L. Confirm the volume in the selected listing before ordering.
### What materials does the listing say it adheres to?
It lists metals, glass, and most common plastics as compatible materials.
### What protection is it intended to provide?
The listing describes arc, corrosion, and moisture protection for electrical parts, including transformers, coils, motor windings, and generator parts.
### Does the listing provide customer comments?
No written customer feedback is supplied. The aggregate rating reflects a small set of ratings and cannot explain user experiences or verify performance.

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## Images

![MG Chemicals 4226A-1L Clear Insulating Varnish, 945 ml — 1](https://best-deals.pro/i/zD-Z-nrbgLCRvgm8tgN5cJCO0uHuj4rulxNzHIgOft5Avd7AvvFT5hvQuCif6ucyN-YAYFHIUCI0PV-maTuJtZS1CScg6hDSl7eMDJKN6FyI1Odm_b4NEbHr.jpg)

![MG Chemicals 4226A-1L Clear Insulating Varnish, 945 ml — 2](https://best-deals.pro/i/OcWyaNVSh_YWianM1NjASWe4bR1iHXoMs2lSU4urlcL3jh5wtQhtlamP01E2_RKYYzSc5ZgzTaWZx1sfiQ-n_N1zynMtR3amu1qMbhWjLOkpCqDghdA5DUMW.jpg)

![MG Chemicals 4226A-1L Clear Insulating Varnish, 945 ml — 3](https://best-deals.pro/i/XDH01sNcPRPEru_uF7_1KXFlf29mtGE7UUhzp1hRZtwMD69AJlyeOryjInqOQ-DTyhmhB8pKXeCKSTbZRZpK2TKvr6K9j3Uo3I58DYgJ5WYz2PxR8rfBKmdd.jpg)

![MG Chemicals 4226A-1L Clear Insulating Varnish, 945 ml — 4](https://best-deals.pro/i/DuSs5chgs60CkeUI4Wi1GDa7eTlx0nDoU25RH5z6HLGqm931ibix9W4XuHNXIKtza8HDCoTgzfyejCBle9Ublku3rG8x8G8IzFqHKTTe50LMa6kJaZ6XgRQM.jpg)

![MG Chemicals 4226A-1L Clear Insulating Varnish, 945 ml — 5](https://best-deals.pro/i/dcPjSW4HQMxhm6Fgvh4wmLhtyHHxDI3Eydy1XMmvRp5n7AHYS1J66HrR7HPTdIHsQRXRc7pKNtpfyStmwNkhQEZU_NoZo5LtWRIQmOpaov44omKU9rvgy8xh.jpg)