Class 220 Polyester (Amide)(Imide) Overcoated with Polyamideimide, Film-Insulated Rectangular Aluminum Wire

Insulating Material: The conductor shall be coated with a dual film. The underlying coating is based on polyester (amide)(imide) resins. The superimposed coating is based on polyamideimide resins.

Dimension:

Film-Insulated Rectangular Magnet Wire Increase in Thickness and Width Due to Film Coating

Build	Increase in Width				Increase in Thickness
	Minimum		Maximum*		Minimum		Maximum*
	inches	mm	inches	mm	inches	mm	inches	mm
Heavy	0.0025	0.064	0.0045	0.114	0.0030	0.076	0.0050	0.127
Quad	0.0040	0.102	0.0060	0.152	0.0050	0.127	0.0070	0.178

Adherence And Flexibility: No cracks visible in the film coating

Elongation:

Wire Size		Bare or Film- Insulated
MW Specification		18, 36, 64
Square andRectangular	T ≥0.049”	15
	T < 0.049”	15

Heat Shock: No cracks visible in the film coating after 10% elongation followed by conditioning at 240ºC

Dielectric Breakdown: Applicable to Heavy film-insulated sizes having a thickness of less than 1.25 mm or a width greater than 12.5 mm, or a width-to- thickness ratio greater than 5:1, and all Quad.

Film Insulation	Minimum Breakdown Voltage
	Any Three of Four Values	Fourth Value
Heavy	1500	500
Quad	2500	900

The combination of Class 220-rated polyester with amide and imide components, overcoated with polyamideimide, provides a robust and reliable solution for various electrical and industrial uses.