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Corrosion-Resistant Polyimide Film Covered Wire from China Suppliers and Factory for High-Temperature Applications
Standards and Product Specifications
Our production strictly follows GB/T 7673-2008 and corresponding Enterprise Standards, ensuring high precision, consistency, and reliability across all product lines. Each conductor is manufactured using advanced processing technology and quality-controlled under international standards to meet the demanding requirements of electrical and electronic industries.
Specifications of Aluminum Flat Wire
We offer aluminum flat wires with the following dimensional range, featuring excellent conductivity, lightweight properties, and superior flexibility, making them suitable for transformers, reactors, and electric motor windings. Aluminum conductors are also favored for their cost-effectiveness and corrosion resistance in high-efficiency power systems.
🔩 Aluminum Flat Wire
Narrow Side
1.00 mm – 8.00 mm
Wide Side
3.00 mm – 25.00 mm
Material
Aluminum Conductor
⚡ Key Advantages
Conductivity
Excellent
Weight
Lightweight
Corrosion Resistance
Superior
Specifications of Copper Flat Wire
Our copper flat wires are characterized by their outstanding electrical conductivity, heat resistance, and mechanical strength, ideal for high-power applications, transformers, and precision electronic devices.
🔶 Copper Flat Wire
Narrow Side
0.90 mm – 6.00 mm
Wide Side
2.00 mm – 16.00 mm
Material
Copper Conductor
⚡ Key Advantages
Conductivity
Outstanding
Heat Resistance
High
Mechanical Strength
Superior
If your required size or specification is beyond the above range, customized production can be arranged to meet your specific design and technical needs.
Breakdown Voltage of Polyimide Film Wrapped Wire
The breakdown voltage and insulation performance of our polyimide film wrapped wire strictly conform to the corresponding business and industry standards, ensuring stable dielectric strength, long service life, and excellent thermal endurance under extreme operating conditions.
Technical Parameter
| Wrapped Process | Insulation Thickness (mm) | Min Breakdown Voltage / V > | |
|---|---|---|---|
| Nominal Value | Tolerance | ||
| 2-layers polyimide film self-locking wrapped | 0.15 | ±0.03 | 6000 |
| 2-layers polyimide film wrap in the opposite direction | 0.15 | ±0.03 | 6000 |
| 3 layers of polyimide film wrap in the opposite direction | 0.23 | ±0.03 | 7000 |
Frequently Asked Questions
Q1
What standards do your flat wires comply with?
Our flat wires are manufactured strictly in accordance with GB/T 7673-2008 and corresponding Enterprise Standards. These standards ensure high precision, dimensional consistency, and reliable electrical performance across all product lines, meeting the demanding requirements of both electrical and electronic industries.
Q2
What size range is available for aluminum flat wire?
Our aluminum flat wires are available with a narrow side ranging from 1.00 mm to 8.00 mm and a wide side ranging from 3.00 mm to 25.00 mm. If your project requires dimensions outside this range, customized production is available upon request.
Q3
What are the available dimensions for copper flat wire?
Copper flat wires are offered with a narrow side from 0.90 mm to 6.00 mm and a wide side from 2.00 mm to 16.00 mm. Copper conductors deliver outstanding electrical conductivity, excellent heat resistance, and superior mechanical strength, making them ideal for high-power transformers and precision electronic applications.
Q4
Can I request a custom size that is not in your standard range?
Yes. If your required size or specification falls outside our standard range for either aluminum or copper flat wire, we can arrange customized production to meet your specific design and technical requirements. Please contact our technical team with your detailed specifications.
Q5
What is the breakdown voltage of your polyimide film wrapped wire?
Our polyimide film wrapped wires achieve a minimum breakdown voltage of 6,000 V for 2-layer wrapping configurations and 7,000 V for 3-layer opposite-direction wrapping (insulation thickness 0.23 mm ±0.03 mm). All values conform to industry and enterprise standards, ensuring stable dielectric strength and long service life.
Q6
What are the main applications of aluminum and copper flat wires?
Aluminum flat wires are widely used in transformers, reactors, and electric motor windings where lightweight and corrosion resistance are priorities. Copper flat wires are preferred for high-power applications, transformers, and precision electronic devices due to their superior conductivity and mechanical strength. Both types are suitable for high-efficiency power systems.