EmTherm 180

EmTherm 180 is polyesterimide enamelled copper wire belonging in H (180°C) thermal class, able to be manufactured in the diameter range of 0.05 – 4.00 mm.

Providing thermal resistance up to 180°C, EmTherm 180, offers strength against freon gas and good resistance against solvents. It also possess the features of high speed rolling capability and high mechanical resistance.

Fields of Use:

  • Oil transformers
  • Transformers withcasting resin
  • General purpose electric motors
  • Voltage regulators.

Technical Information

Thermal Class (°C)Class HB, 180 °C
Insulation | Base CoatPolyester imide
Insulation | Top Coat
Insulation | Bond Coat
Production Range (mm) (mm)0.05 – 5.00 mm
Certification I.E.CIEC 60317 – 8
UL File No
Class Temerature (°C)180 °C
Heat Shock (°C)≥ 180 °C
Cut Through Temperature (°C)≥ 320 °C
Solderability (°C)Non solderability
Bonding Temperature (°C)Not Applicable
Re-Softening Temerature (°C)Not Applicable
Normal Solvent Resistance4H – 5H
Dipping Varnish ResistanceGood
Refrigerant ResistanceGood
Transformer Oil ResistanceGood
Distinct FeaturesGenerator,
Fields of UseExcellent windability,
high colling spped and high mechanical resistance,
Good resistance FREON 12,
High mechanical resistance,
High resisstance to solvents,
High thermal resistance (180°C)



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