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SYNTHITE AC-43 5 L, clear polyester insulating varnish for impregnation, thermal class H, fast air-drying
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Description
SYNTHITE AC-43 5 L is a clear, polyester insulating varnish that air-dries at ambient temperature. It is designed for protection and impregnation of electrical components. It dries quickly to form a coating that is both hard and flexible. The curing process can be further accelerated by increasing the drying temperature (e.g. oven baking).
Advantages and unique features
- Very fast air-drying
- Durable and flexible coating after drying
- Excellent chemical resistance
- Excellent adhesion and good penetration
- Drying can be accelerated by oven baking
- UL approved (file OBOR2.E317427 and OBJS2.E317429)
Properties and applications
- Impregnation and protection: for protecting windings and components in service
- Thermal class H: suitable for applications at elevated temperatures
- Typical applications: stators, printed circuit boards (PCB), coils, resistors, transformers, capacitors
- Drying: air-dries at ambient temperature; faster curing possible at higher drying temperatures
- Thinning: recommended thinner Dolph’s T-200
Technical parameters
| Parameter | Value |
|---|---|
| Net volume | 5 L |
| Product type | polyester (modified) insulating varnish |
| Colour | clear |
| Drying method | air-drying (ambient temperature); drying can be accelerated by oven baking |
| Thermal class | H |
| Thinner | Dolph’s T-200 |
| Approval | UL (file OBOR2.E317427 and OBJS2.E317429) |
Storage recommendations
Store in the original, tightly closed container in a dry, cool place, away from heat sources and direct sunlight. Prevent contamination (dust, moisture) to help maintain consistent application and coating quality.
FAQ
1) What is SYNTHITE AC-43 insulating varnish used for?
It is intended for protection and impregnation of electrical components such as stators, coils, transformers, and PCB assemblies.
2) Does SYNTHITE AC-43 air-dry at ambient temperature?
Yes. It air-dries at ambient temperature, and curing can be accelerated by increasing the drying temperature (e.g. oven baking).
3) What thinner is recommended for SYNTHITE AC-43?
The product data indicates Dolph’s T-200 as the recommended thinner.
4) What is the thermal class of SYNTHITE AC-43?
The thermal class is H.
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