Strong Insulated Heating Wire With CuNi19 NC025 Alloy And FEP Insulation For Electronic Devices
CuNi19 NC025 alloy material insulated FEP heating wire is a high-performance electrical wire designed for heating applications. It features a copper-nickel (CuNi19) alloy conductor, known for its excellent electrical resistance, corrosion resistance, and durability. The FEP (Fluorinated Ethylene Propylene) insulation provides superior thermal stability, chemical resistance, and electrical insulation. This heating wire operates efficiently at high temperatures, making it ideal for applications in heating elements, industrial equipment, and automotive systems. The CuNi19 NC025 alloy ensures consistent performance, while the FEP insulation enhances safety and longevity. Its flexibility and resistance to harsh environments make it suitable for both indoor and outdoor use. This wire is commonly used in temperature control systems, defrosting applications, and precision heating devices, offering reliable and efficient heat generation.

Bulletproof Silk (Optional)
Material | Temperature resistance | Melting Temperature | Applied for grade | Advantages |
High strength aramid | In a 100 to 300 ℃ long-term use will not have obvious change and impairment | Melting Temperature is in 1135 ℃ | Applied for more than 110N | 1. Good mechanical 2. Heat resistant and flame retardant 3. The stable chemical properties 4. Radiation resistanc 5. Durability |
Alloy Material
Texture | Ni-Cu (Can be enameled) |
Resistance | According to the requests |
Wire diameter | 0.018~1.5mm |
Characteristic | 1. High strength
2. Strong hardness
3. Anti-corrosion
4.Thermoelectricity good |
Operating principle | Heating filament dogan twisted |
Paint Cladding(Optional)
Texture | Polyurethane | Polyetherimide |
Temperature class | -50~150℃ | -160~180℃ |
Characteristic | 1. Performance wide adjustable range well-adapted
2. Adhesive performance is good
3. Good elasticity, good resilien, can be used for dynamic joint
4. Good flexibility at low temperatures
5. Good weather resistance,service life up to 15~20 years
6. Good oil resistance
7. Biological aging resistance
8. Moderate cost | 1. Excellent Mechanical Properties
2. Good electrical insulatingperformance
3. Excellent radiation resistance
4. Excellent resistanceto high and low temperature performance
5. Excellent wear resistance
6. Excellent microwave through performance
7. Strong plastcity |
Outer Sheath (Optional)
Texture | PA12 | TPEE | PVC | FEP |
Plastic outer diameter | 0.8mm~1.0mm |
Temperature class | -40~140C | -70~200℃ | -30~125℃ | -100~220℃ |
Dielectric strength | 39Kv/mm | 36Kv/mm | 36Kv/mm | 42Ky/mm |
Dielectric constant | 1.9×10^7 HZ | 1.4×10^7 HZ | 1.4×10^7 HZ | 2.8×10 HZ |
Breaking strength | 19~25MPa | 18~24MPa | 18~24MPa | 15~22MPa |
Key Features of CuNi19 NC025 Alloy Material Insulated FEP Heating Wire
1. Conductor Material (CuNi19/NC025 Alloy)
- Composition: Copper-Nickel alloy with approximately 81% Copper (Cu) and 19% Nickel (Ni).
- Electrical Resistivity: Higher resistivity compared to pure copper, making it suitable for heating applications.
- Corrosion Resistance: Excellent resistance to oxidation and corrosion, especially in humid or saline environments.
- Temperature Stability: Maintains stable electrical properties over a wide temperature range.
2. Insulation Material (FEP - Fluorinated Ethylene Propylene)
- Heat Resistance: Can withstand temperatures up to 200°C (392°F) continuously.
- Chemical Resistance: Highly resistant to acids, bases, solvents, and other chemicals.
- Non-Flammable: FEP is non-flammable and has excellent dielectric properties.
- Flexibility: Remains flexible even at low temperatures, ideal for applications requiring bending and coiling.
3. Electrical Performance
- Stable Resistance Value: The CuNi19 alloy ensures consistent resistivity, which is crucial for precise heating applications.
- Low EMF (Electromotive Force): Suitable for sensitive applications where minimal voltage generation is required.
4. Advantages
- High mechanical strength.
- Excellent thermal and chemical stability.
- Long service life in harsh environments.
- Compact and lightweight design.
Applications
The CuNi19/ NC025 alloy material insulated FEP heating wire has various applications due to its unique combination of properties, including good electrical resistance, thermal stability, and chemical resistance. Here are some common applications:
1. Industrial Heating Systems
- Used in electric heating elements for industrial equipment.
- Suitable for pipe trace heating systems to prevent freezing or maintain fluid viscosity.
- Employed in heating mats or heating cables for large surface heating.
2. Automotive Industry
- Heated seats or defrosting systems.
- Battery warming systems in electric vehicles.
- Mirror defoggers and windshield heating elements.
3. Medical Equipment
- Laboratory heating devices.
- Temperature-controlled medical instruments.
- Heated fluid lines in diagnostic equipment.
4. Consumer Electronics
- Defrosting wires in refrigerators and freezers.
- Heated blankets or heating pads.
- Small appliance heating components (coffee makers, kettles).
5. Aerospace Industry
- Anti-icing systems in aircraft wings and engines.
- Heated lines for fluid transfer systems.
6. Chemical Processing Industry
- Heating cables for corrosion-resistant pipelines.
- Fluid viscosity maintenance systems in chemical plants.
7. Oil & Gas Industry
- Pipeline heating to prevent wax formation.
- Electrical heating systems in offshore rigs.
Why CuNi19/ NC025?
- High electrical resistivity.
- Excellent corrosion resistance, especially in moist or chemical environments.
- Stable resistance over a wide temperature range.
- Flexibility and durability, especially when insulated with FEP (Fluorinated Ethylene Propylene), which provides high thermal and chemical resistance.


