High quality rectangular magnet wire for refrigerating system

Test Item

Unit

Technical Standard

Test Result

Appearance

uniform colour and  without the defeat affecting product performance.

No defect

Conductor

Thickness (a)

mm

 ±0.030

1.253

Width (b)

mm

±0.050

5.320

Insulation Thickness

Thickness (a)

mm

0.060—0.110

 0.090

Width (b)

mm

0.060—0.110

0.100

Resistivity (20°C)

Ω.mm²/m

≤0.017241

   0.01701

Elongation

%

side a (mm) :≤2.5 30%

40%

Side a (mm): >2.5 32%

Adherence

The film distance of lose adherence shall not more than 1b after 15% elongation.

 not loss adherence

Heat Shock

No cracks visible in the filmcoating after bending the board side around a mandrel        6aby conditioning at 175°C

No Crack

Breakdown Voltage

KV

Min break down voltage: four of five specimens shall not lower than 1.0KV. one shall not lower than 50%

3.9,3.6,5.0,4.1,5.0

Package

Meet the relative standards

Meet the standard

Insulation varnish :  

Temperature Class
Degrees C

Polyvinyl Formal

Class 105

Polyurethane/Polyamide (Nylon)

Class 155

Polyurethane

Class 155

Polyurethane/Polyamide (Nylon)

Class 180

Polyurethane

Class 180

Solderable Polyester

Class 180

Solderable Polyester/Polyamide (Nylon)

Class 180

Modified Polyester/Polyamide (Nylon)

Class 180

Modified Polyester/Polyamideimide

Class 200

Modified Polyester

Class 200

Modified Polyester/Polyamideimide

Class 200

Modified Polyester/Polyamideimide

Class 220

Polyimide

Class 240

Polyvinyl Butyral Self Bonding over
Polyurethane / Nylon

Class 130

Modified Polyester/Polyamideimide/Bondcoat

Class 180