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Heavy Formvar Round Magnet Wire

Formvar is a synthetic enamel composed 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. While Formvar has been replaced in many applications, Formvar continues to be the recommended film insulation most commonly used in oil-filled transformers.Typical ApplicationsOil-filled transformersMotorsRandom wound coilsSolenoidsGuitar Pickups

For Use in Guitar Pickups
Formvar serves as an excellent choice of winding wire for pickup manufacturing companies and is chosen for it’s resistance to common solvents (including sweat and other liquids that can find its way into a guitar’s pickup). Heavy Formvar is used where top end brightness and note definition are desired, due to fewer windings than with thinner wire with more windings.

Product #: MWRD19HF

Specifications

UL Listing UL Recognized Class 105 Product
Mil-Spec No. MW 15-C/A
AWG Size 19
Min. Bare Wire Diameter 0.0355 in
0.902 mm
Nom. Bare Wire Diameter 0.0359 in
0.912 mm
Max. Bare Wire Diameter 0.0361 in
0.917 mm
Min. Increase in Diameter Due to Film Coating 0.0025 in
0.064 mm
Min. Overall Diameter of Film-Coated Wire 0.0380 in
0.965 mm
Max. Overall Diameter of Film-Coated Wire 0.0391 in
0.993 mm