1038 Amino Alkyd Impregnating Varnish
Class B quick-drying impregnating varnish for general motors and transformers
1038 is an amino alkyd quick-drying impregnating varnish with good penetration, fast drying and a glossy film - a practical cost/performance balance for Class B motors and transformers.
- Temperature class
- Class B (130°C)
- Drying time (80°C)
- ≤60 min
- Curing
- 80°C / 4 h
- Appearance
- Clear, smooth film
Technical data
| Property | Unit | Value |
|---|---|---|
| Appearance | — | Clear, free of mechanical impurities; smooth film |
| Viscosity (No. 4 cup, 23 ±1°C) | s | 25–50 |
| Drying time (80 ±2°C) | min | ≤60 |
| Acid value | mgKOH/g | ≤10 |
| Film curing ability (80 ±2°C, 4 h) | — | Not inferior to S1, U1, 14.2, uniform |
| Power-frequency electric strength, normal | MV/m | ≥80 |
| Power-frequency electric strength, after water immersion | MV/m | ≥60 |
| Volume resistivity, normal | Ω·m | ≥1×10¹² |
| Volume resistivity, after water immersion | Ω·m | ≥1×10¹⁰ |
| Temperature class | — | Class B (130°C) |
Values are typical values or ranges from our product data. Bulk supply is subject to the approved specification, sample and test report. If a parameter you need is not listed here, ask our engineers for the full test report for that grade.
Key features
- Fast drying and good penetration for batch impregnation and trickle processes.
- Glossy film with balanced moisture and oil resistance.
- Class B insulation with a practical cost/performance balance for general motors and transformers.
Applications
Impregnation of Class B motor, transformer and appliance coils; general electrical insulation.
Why it fits
The economical entry-level varnish - fast in the oven and easy to run on existing dip equipment.
Ordering information
To receive a quotation, please confirm:
- Product and grade
- Thickness and width (and roll or sheet size)
- Temperature class
- Quantity and delivery form (roll / sheet / die-cut / machined)
- Destination port and required delivery date
For machined parts, attach a drawing in PDF, DWG or STEP format. Datasheets, COAs and batch test data are available on request.
Often specified together
Send your specification
Our export team reviews the application, the process and the existing specification before recommending a construction.


