Polyvinyl Acetal-Phenolic



Formvar / Formacon Magnet Wire


Insulation Characteristics:

Formvar is a synthetic enamel compound of polyvinyl acetal and phenolic resins.


Formvar's hot oil resistance sets it apart from all other magnet wire insulations. The flexibility, adhesion and abrasion scrape resistance of Formvar film is excellent. Its electrical properties are very good and it is resistant to common solvents. Formvar continues to be the recommended film insulation most commonly used in oil-filled transformers.


It has been in general use in the electrical industry as a Class 105°C wire for over fifty years.


General Applications:

  • Oil-filled Transformers
  • Motors
  • Random wound coils
  • Solenoids

This is not a Stock Item, and is a special order item, Minimum quantity order is from 480 lbs and up.