MG Chemicals 4226 – Clear Insulating Varnish
4226 is a highly insulating coating with excellent arc and corona resistance. This clear, low viscosity, one part varnish coating is easy to use and adheres well to many substrates. The 4226 insulates transformers, coils, motor windings, and various electric generator parts against arc and corona. As well, it protects these parts from corrosion and moisture.
Properties
- Physical Form
- Liquid
Product families
Applications
- Coil Coatings
- Jacketing & Insulation
Product Families
- Stains & Varnishes
Other characteristics
- Features
Corrosion Resistant, Durable, Ease of Handling, Excellent Dielectric Properties, Excellent Moisture Resistance, Excellent Salt Spray Resistance, Excellent Substrate Adhesion, Flexible, Good Toughness, High Gloss, Low Viscosity
- Product Type
1K (1 component) Coating, Coil Coating, Insulating Coating, Varnishes; 1K (1 component) Coating; Coil Coating; Insulating Coating; Varnishes
- Application Method
- Brush, Dip Coating, Spray
- Markets
- Electrical & Electronics
- Paints & Coatings
- Dip Coat
Due to the dual curing nature of this coating, it is important to control exposure to light and moisture to prevent premature curing.
- Shelf LIfe
- 5 Years
- Technology
- Ready-to-Use Products
- Key Attributes
Meets UL EIS Standards; Excellent finish - tough, flexible, glossy, and durable transparent coat; Good adhesion; Excellent moisture resistance
- Packaging Type
- Bottles
- Cans
- Cure
The product will not cure at room temperature. After letting sit for 15 minutes, cure the coating in an oven at one of these time/temperature options:
- Manual Spray Guns
Use a standard fluid nozzle gun with a minimum tip diameter of 0.8–1.0 mm. The settings listed below are recommendations; however, performance will vary with different brands::
- Application Methods
- Brush
- Dip Coating
- Spray
- Chemical Inventories
- AICS (Australia)
- DSL (Canada)
- EINECS (EU)
- ENCS (Japan)
- IECSC (China)
- INSQ (Mexico)
- KECI (Korea)
- NCI (Vietnam)
- Ready to Use Product Features
- Corrosion Resistant
- Durable
- Ease of Handling
- Excellent Dielectric Properties
- Excellent Moisture Resistance
- Excellent Salt Spray Resistance
- Excellent Substrate Adhesion
- Flexible
Technical data
Table 1 of 3
4 rows| Characteristic | Value | Unit |
|---|---|---|
| Recommended Film Thickness | 25-38 | μm |
| Theoretical Coverage at 25 mm | 43 000 | cm2/L |
| Minimum Recoat Time | 4 | — |
| Dry Time to Handle | 20 | minute |
Table 2 of 3
6 rows| Characteristic | Value | Unit |
|---|---|---|
| Service Temperature Range | -40 to 180 | °C |
| Dielectric Strength (wet) | 0 | V/mil |
| Dielectric Strength (dry) | 100 | V/mil |
| Insulation Class (B) | 130 | — |
| Insulation Class (F) | 150 | — |
| Insulation Class (H) | 180 | — |
Table 3 of 3
4 rows| Characteristic | Value | Unit |
|---|---|---|
| Calculated VOC | 604 | g/L |
| Density | 0.93 | g/mL |
| Percent Solids | 35 | % |
| Viscosity (at 25˚C) | 77 | cP |
