Voltatex 7340 B

Magnet wires insulated with Voltatex® 7340 B combine a high degree of thermal rating with excellent mechanical properties. Additional typical properties are their good chemical resistance, a high level of flexibility, transformer oil resistance acc. IEC 60851-4 and Danfoss approval for use in hermetic compressors.   In order to achieve increased resistance to chemicals, an application combined with polyamideimide based topcoat (e.g. Voltatex 81.., Voltatex 82.., Voltatex 83.. or Voltatex 85..) is needed. Magnet wires coated with Voltatex 7340 B exceed the requirements and technical conditions of IEC 60317-8 and acc. ANSI/NEMA MW 30-C, MW 72-C and MW 74-C. Combined with other Voltatex wire enamel products Voltate 7340 B is usable for wires acc. ANSI/NEMA MW 35-C, MW 73-C, MW 76-A-C, MW 102-A-C. Listed test results based on Axalta Coating Systems standards, following IEC standards 60851.

Product Criteria

- Motors / Generators
- Automotive
- Transformers

- Basecoat

Additional features
- UL-approved

Product Features
Chemical base THEIC modified POLYESTERIMIDE
Thermal class 200 °C
For diameter range
0.30 − 3.00 mm
Solid content (1g, 1h, 180 °C)
39.0 − 41.0 %
Viscosity DIN 53015
900 – 1,200 mPas (23 °C / 73.4 °F)
Special characteristics
Among others ballasts for fluorescent lamps and hermetic units with improved heat shock. Practice has shown excellent flexibility results.

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