MG Chemicals 4228 – Red Insulating Varnish
4228 is a highly insulating coating with excellent arc and corona resistance. This red, low viscosity, one part varnish coating is easy to use and adheres well to many substrates. The 4228 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 Moisture Resistance, Excellent Salt Spray Resistance, Excellent Substrate Adhesion, Flexible, Good Toughness, High Gloss, Low Viscosity, Oil Resistant, Water Resistant
- 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
Insulation Class H—Suitable for service up to 180 °C; Excellent oil and moisture resistant; Excellent finish—tough, flexible, glossy, and durable red coat; Good adhesion; Good water and salt water resistance
- Packaging Type
- Bottles
- Cans
- 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::
- Quality Standards
- Insulation Class H
- Application Methods
- Brush
- Dip Coating
- Spray
- Chemical Inventories
- ENCS (Japan)
- INSQ (Mexico)
- KECI (Korea)
- NCI (Vietnam)
- NZIoC (New Zealand)
- PICCS (Phillipines)
- TCSI (Taiwan)
- TSCA (USA)
- Ready to Use Product Features
- Corrosion Resistant
- Durable
- Ease of Handling
- Excellent Moisture Resistance
- Excellent Salt Spray Resistance
- Excellent Substrate Adhesion
- Flexible
- Good Toughness
Technical data
Table 1 of 3
4 rows| Characteristic | Value | Unit |
|---|---|---|
| Density | 1.1 | g/mL |
| Theoretical Coverage at 25 mm | 890 000 | cm2/L |
| Viscosity (at 25˚C) | 590 | cP |
| Percent Solids | 52 | % |
Table 2 of 3
6 rows| Characteristic | Value | Unit |
|---|---|---|
| Minimum Recoat Time | 4 | — |
| Service Temperature Range | -40 to 180 | °C |
| Dry Time to Handle | 30 | minute |
| Dielectric Strength (wet) | 1 500 | V/mil |
| Recommended Film Thickness | 25-38 | μm |
| Dielectric Strength (dry) | 3 000 | V/mil |
Table 3 of 3
1 row| Characteristic | Value | Unit |
|---|---|---|
| Calculated VOC | 514 | g/L |
