- 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
Thermal index 155 double polyester fiberglass wrapped copper flat wire
1 Fiberglass wrapped wire has high mechanical properties and overload ability as well as wet/heat resisting features and good technological performers.
2 the product is used as winding material for making large motor, DC motor, generator, dry transformer and large-scale movable subtraction etc.
3Fiber-glass thickness:0.2,0.3,0.4,0.5mm
Size and tolerance
Main material: CCC Chilean copper flat wire Cu-CATH Executed Standard GB/T 467 | Nominal size a mm | Tolerance mm | Nominal size b mm | Tolerance mm |
a ≤1.70 | -0.01-+0.03 | b ≤3.15 | -0.01-+0.03 | |
1.70<a ≤3.15 | -0.02-+0.02 | 3.15<b ≤6.30 | -0.03-+0.03 | |
3.15<a ≤4.50 | -0.03-+0.03 | 6.30<b ≤12.50 | -0.03-+0.05 | |
4.50<a ≤7.10 | -0.04-+0.04 | 12.50<b ≤16.00 | -0.05-+0.07 |
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 | ||
Technical requirements
Appearance | The coating should be even, in same colour, no defects | |||
The maximal outlined dimension | Max a≤ Nominal max a+ Nominal insulation max Max b≤ Nominal max b+ Nominal insulation max | |||
Elongation rate | Nominal dimension a, mm | Elongation rate,% | ||
a≤2.50 | 30 | |||
a>2.50 | 32 | |||
Resilience | Nominal dimension, mm | Drawing,% | ||
a<2.5 | 15 | |||
a≥2.5 | 10 | |||
Breakthrough voltage | Nominal thickness of insulation, mm | Breakthrough voltage,V | ||
Class 2 GL1 | 1500V | |||
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 | |||
Thermal index 155 double polyester fiberglass wrapped copper flat wire
