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Product description: Kraft Paper wrapped wire is extruded or drawn from oxygen free copper rod or electrician round aluminum rod with certain specifications mould and then wrapped with two or more than two layers Kraft paper. It is widely applied in oil-immersed transformer and other similar electrical instruments.
Details
●Product description: Kraft Paper wrapped wire is extruded or drawn from oxygen free copper rod or electrician round aluminum rod with certain specifications mould and then wrapped with two or more than two layers Kraft paper. It is widely applied in oil-immersed transformer and other similar electrical instruments.
●Standard：GB/T7673-2008
●Production range
Aluminum flat wire
Narrow side a:1.00mm—8.00mm
Wide side b:3.00mm—25.00mm
Copper flat wire
Narrow side a:0.90mm—5.60mm
Wide side b:2.00mm—16.00mm
Copper or aluminum round wire
Conductor diameter：φ1.7—φ6.0
If the specifications is out of the above range, please contact us
●Raw materials:
The resistivity of aluminum flat wire can not be more than 0.028010Ωmm2 / m in 20 ℃.
The resistivity of copper flat wire can not be more than 0.017241Ωmm2 / m in 20 ℃.
●The insulation thickness of Kraft paper wrapped round (flat) wire should be comply with the following table
