MW74C / IEC 317-42

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Insulation Characteristics: 

This insulation is manufactured with a thermally stable, modified polyester film and has excellent physical, chemical and electrical properties for small coils operating at high temperature. The physical properties of flexibility, abrasion resistance, and adhesion compare favorably with polyvinyl acetal-phenolic.

Polyester 200 is a multi-purpose dual coated wire which combines the excellent physical and electrical properties of a polyestermide or modified polyester base coat with added smoothness and high thermal rating of polyamide -imide linear polymer top coat.

The combination of these two high quality resins produce a coating which has outstanding surface toughness, abrasion resistance, flexibility, chemical resistance, burnout and thermal resistance and dielectric strength.

Chemical Composition
  • Base Coat - Polyester/Imide  
  • Overcoat - Polyamide Imide


General Applications: 

The principal application of polyester is in fine wire where a Class 200 construction is desired and solderability is not a requirement.

  • Continuous operation coils
  • Encapsulated coils
  • Small appliance and power tool motor
  • Sub-fractional instrument and servomotors

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