Name

3M paper copper rectangular wire

Specification

3.00mm×11.80mm

Standard

GB/T7673.3-2008 

Test  Item

Unit

Technical requirement

Test result

Appearance

Uniform formation around the conductor, there should be no shortage of tape layers should not have wrinkles and cracks and other defects

No defects

Conductor

Thickness(a)

mm

                    ±0.03

2.982

Width(b)

mm

                    ±0.07

11.789

Insulation thickness

mm

0.405---0..45---0.48

0.447

Electrical Resistance(20°C)

Ω.mm²/m

                 ≤0.017241

0.01680

Wrapping overlap

mm

                         ≥2

2.4

Elongation

%

a

≤2.5   30%

>2.5   32%

47%

Spring back angle

Degree

≤5 

3.6

Winding bend

Negotiated

No alice

packing

Meet export standard

Result

Up to standard