ISOBAL S 1942
BAKED VARNISH ON DYNAMO AND TRANFORMER SHEETS
- Electroinsulating warnish class F
- Rustproof
- Resistance to thermal oxidative degradation
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The solvent-based varnish impregnates emblazoned glass wires and coated electric motor wires, transformers and others operating in class F (155 °C). It uses on dynamo sheets and accessories, where insulation, rust resistance and resistance to thermal oxidative degradation are asked. It doesn´t attack conducts coated by polyamide, polyvinyl formal, terephthalate, polyesterimide and polyurethane paints.
THINNER S 6003
RECOMMENDED APPLICATION
The varnish thins by S6003 for flow viscosity 25-35 s (Ford cup 4 mm at 23 °C). Dip at room temperature for 1 hour, drained for 1 hour. Solvents evaporate at 80 °C for 3 hours. Harden at 125 °C for 16 hours.
Vacuum impregnation applies in 2 coats on winding. Harden at 125 °C after solvents evaporation.
