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Pin hole test for 0.32 enameled copper round wire

Pin hole test is to find insulation defects after treatment with a salt water solution.
A wire specimen approximately 1,5 m in length is taken for conductors of nominal diameter less than 0,07 mm, and pproximately 6 m in length for conductors of nominal diameter equal to 0,07 mm or more.

0.32 enameled copper round wire Pin hole test

23 swg enameled round copper wire for motor winding specifications

Enameled round 0.05mm copper winding wire manufacturer

Content

For a nominal diameter of 0.32mm, 30m of our enameled round copper wire shall be wound in a round shape with a diameter of 300 mm ± 100 mm.

The voltage shall be applied for 1 min with the specimen as negative electrode relative to the solution and, in order to avoid excessive heating, the short-circuit current shall be limited to 500 mA, the voltage is 1500V.

The result that the pin hole just has 1

Inquiry

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23 swg enameled round copper wire for motor winding specifications

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Bobbin: PT-4–PT-200
Conductor Material: Copper
Brand Name: LP Magnet Wire
Certification: SGS,UL,ISO9001,ISO4001
Temperature class: 130,155,180,200,220
Diameter: round:0.025-4.5mm;flat: a:1-10,b:3-16;square :a(b) 0.4-7mm

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Pin hole test for 0.32 enameled copper round wire

Conductor Type: Solid
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Standard: IEC,NEMA,GB,JIS
Brand Name: LP Magnet Wire
Temperature class: 130,155,180,200,220

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