Film Covered Wire
Film covered wire is a kind of electromagnetic wire made by covering the surface of traditional enameled wire with one or more layers of high-performance insulating film.
Comparison table of film covered wire types:
| Film-wrapped wire models | Structural materials | Heat resistance grade | Features | Application Areas |
|---|---|---|---|---|
| Polyimide-Fluoro 46 sintered flat wire | PI + FEP | H/C（180~220℃） | High temperature and corrosion resistance | High-voltage transformers, motors |
| Corona-resistant PI-F46 sintering line | PI + FEP + corona resistant layer | ≥C（220℃） | Corona resistant, suitable for frequency conversion | IGBT modules, high-frequency inverters |
| PI+mica tape+sintering line | PI + Mica | C（220~240℃） | Flame retardant and fire resistant | Nuclear power, rail transit |
| Non-woven PET film wrapped wire | PET + non-woven fabric | B/F（130~155℃） | Low cost and good softness | Control transformers and motors |
| PI film wrapped wire | PI film | C（240℃） | High temperature resistance, light insulation | Aerospace, microelectronics |
Features and Advantages:
For high-end, high-temperature, and high-voltage applications: Polyimide series (PI-F46, corona-resistant, and mica tape) are the preferred choice.
Strengthening cost-effectiveness and flexibility: Non-woven polyester film-wrapped wire offers the best value.
For extreme operating conditions: Polyimide film-wrapped wire is suitable for the most demanding military and aerospace applications.
Specification:
| product | type | Heat resistance grade | Insulation materials | Diameter/size |
|---|---|---|---|---|
| Polyimide-Fluorine 46 composite film sintered copper rectangular wire | Polyimide-Fluorine 46 composite film sintered copper rectangular wire | 220℃ | Polyamide-imide composite film + sintering | a：0.90mm——5.60mm
b：3.15mm——16.00mm |
| Corona-resistant polyimide-fluorine 46 composite film sintered copper rectangular wire | Corona-resistant polyimide-fluorine 46 composite film sintered copper rectangular wire | 220℃ | Polyimide film, coated with F46 glue and sintered with DuPont FN | a：0.90mm——5.60mm
b：3.15mm——16.00mm
|
| Polyimide reinforced mica tape wrapped polyimide film sintering line | Polyimide reinforced mica tape wrapped polyimide film sintering line | 220-240℃ | Polyimide reinforced mica tape, polyimide film coated with F46 glue and sintered with DuPont FN | a：0.90mm——5.60mm
b：3.15mm——16.00mm
|
| Non-woven polyester film covered wire | Non-woven polyester film covered wire | 130℃ | Polyester film or + non-woven fabric | a：0.90mm——5.60mm
b：3.15mm——16.00mm
|
| Polyimide film wrapped wire | Polyimide film wrapped wire
|
220℃ | The polyimide film is wrapped in the same direction or in the forward and reverse directions, and the overlapping width of the wrapping is not less than 2mm.
|
a：0.90mm——5.60mm b：3.15mm——16.00mm
|
Packing for Fiberglass Covered Wire
Labels shall be attached to each packaging unit as agreed between supplier and user and shall include the following information:
a) manufacturer’s name and/or trade mark;
b) type of wire and insulation, for instance trade name and/or IEC specification number;
C) net mass of wire;
d) nominal dimension(s) of wire and grade of insulation;
e) date of manufacture.
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