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Product > Electrical > Wire & Cable > Magnet Wire > Single Formvar Round Magnet Wire > Product # MWRD42SF
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Single 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 coilsSolenoids

Product #: MWRD42SF

Specifications

UL Listing UL Recognized Class 105 Product
Mil-Spec No. MW 15-C/A
AWG Size 42
Min. Bare Wire Diameter 0.0024 in
0.061 mm
Nom. Bare Wire Diameter 0.0025 in
0.064 mm
Max. Bare Wire Diameter 0.0026 in
0.066 mm
Min. Increase in Diameter Due to Film Coating 0.0002 in
0.005 mm
Min. Overall Diameter of Film-Coated Wire 0.0026 in
0.066 mm
Max. Overall Diameter of Film-Coated Wire 0.0030 in
0.076 mm

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