- Contact Person : Mr. Zou Yongming
- Company Name : Changzhou Zhongli Copper Industry Co., Ltd.
- Tel : 0086-519-81165393
- Fax : 0086-518-81665385
- Address : Jiangsu,Changzhou,No.8, South Hehuan Road, Zhonglou Economic Development Zone,
- Country/Region : China
- Zip : 213023
fiberglass wrapped enamel wrapped copper Magnetic wire
1.About product :
Main material: CCC Chilean copper flat wire Cu-CATH Cu+Ag≥99.95% Executed Standard GB/T 467 | Nominal size a mm | Tolerance mm | Nominal size b mm | Tolerance mm | Insulation size mm | Tolerance,% |
a ≤1.70 | -0.01+0.03 | b ≤3.15 | -0.01+0.03 |
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1.70<a ≤3.15 | -0.02+0.02 | 3.15<b ≤6.30 | -0.03+0.03 |
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3.15<a ≤4.50 | -0.03+0.03 | 6.30<b ≤12.50 | -0.03+0.05 |
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4.50<a ≤7.10 | -0.04+0.04 | 12.50<b ≤16.00 | -0.05+0.07 |
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Radius of round corner r and its tolerance range for cooper flat wire
Nominal dimension a,mm | Radius of round corner r,mm | Nominal dimension a,mm | Radius of round corner r,mm | ||
Nominal value | Tolerance | Nominal value | Tolerance | ||
a ≤1.00 | a/2 | ±25% | 2.24<a≤3.55 | 0.80 | ±25% |
1.00<a≤1.60 | 0.50 | 3.55<a≤6.00 | 1.00 | ||
1.60<a≤2.24 | 0.65 | 6.00<a≤7.10 | 1.20 | ||
Some special dimension of wire can be produced on customer’s request.
2. Technical requirements
Appearance | The coat of immersed paint should be even, with same color, no defects that affect the property on surface. | |
The maximal outlined dimension | The maximal outlined dimension should not be more than the sum of the maximal dimension of conductor (Nominal dimension plus positive tolerance) and specified maximal thickness of insulation, if the maximal outlined dimension does not exceed the specified value, it is acceptable that the thickness of insulation exceed the related value. | |
Resistivity | Copper conductor: ≤ Ω•mm2/m | |
Elongation rate | The elongation rate should be more than or equal to the specified value in the following table. | |
Nominal dimension a,mm | Elongation rate,% | |
a≤2.50 | 30 | |
a>2.50 | 32 | |
Curvature | According to the following table, after bending at wide edge and narrow edge on the round stick, insulation layer should have no crack and exposure of film. | |
Nominal dimension | Radius of round stick | |
2.00≤b≤8.00 | 10b | |
8.00<b≤16.00 | 15b | |
0.80<a≤5.60 | 10a | |
Resilience | According to the following table, after drawing, the insulation layer should not lose adhesion. | |
Nominal dimension,mm | Drawing,% | |
a<2.5 | 15 | |
Breakthrough voltage | Bend the wire according to 4.8, take the test of breakthrough voltage by steel ball method, the breakthrough voltages of four trial samples should not be less than the specified value in the following table. | |
Nominal thickness of insulation,mm | Breakthrough voltage,V | |
Grade 2 GL1 | 1500 | |
fiberglass wrapped enamel wrapped copper Magnetic wire
