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Fongming
The PI Series Polyimide Insulated Wire is an ultra-high-performance cabling solution engineered for environments where space, weight, and extreme reliability are paramount. Often referred to by the trade name Kapton-style insulation, Polyimide (PI) is a "super-polymer" known for its unmatched combination of thermal endurance and mechanical toughness.
Product Name: Polyimide (PI) Insulated High-Temperature Wire
Model Series: PI-250
Size Range: 24 AWG to 10 AWG
Conductor Options: Stranded Nickel-Plated Copper (NPC) or Silver-Plated Copper (SPC)
Insulation: High-performance Extruded Polyimide (PI)
Thermal Endurance: Continuous operating temperature from -60°C to +250°C.
Space-Saving Design: Ultra-thin insulation allows for high-density wiring in tight spaces without compromising safety.
Superior Mechanical Toughness: High tensile strength and exceptional resistance to abrasion, crushing, and "cold flow" (deformation under pressure).
Chemical & Radiation Resistance: Excellent resistance to aerospace fuels, hydraulic fluids, and high-energy radiation.
Flame Retardant: Inherently non-flammable with extremely low outgassing properties.
Biocompatibility: Chemically inert and stable, suitable for advanced medical instrumentation and sterilization cycles.
Conductor: Multi-strand Nickel-Plated or Silver-Plated Copper, ensuring excellent conductivity and oxidation resistance in extreme heat.
Insulation: Precision-extruded Polyimide (PI) resin, providing a tough, uniform, and pinhole-free dielectric layer.
| Size (AWG) | Conductor Structure (n/mm) | Conductor Dia. (mm) | Insulation Thickness (mm) | Finished Dia. (mm) |
|---|---|---|---|---|
| 24 | 7/0.20 | 0.60 | 0.10 | 0.8±0.1 |
| 22 | 7/0.254 | 0.76 | 0.10 | 1.0±0.1 |
| 20 | 7/0.32 | 0.96 | 0.10 | 1.2±0.1 |
| 18 | 7/0.39 | 1.17 | 0.10 | 1.4±0.1 |
| 16 | 19/0.30 | 1.50 | 0.20 | 1.9±0.1 |
| 14 | 19/0.38 | 1.90 | 0.20 | 2.3±0.1 |
| 12 | 19/0.48 | 2.40 | 0.20 | 2.8±0.2 |
| 10 | 37/0.43 | 3.01 | 0.25 | 3.5±0.2 |
| Size (AWG) | Conductor Structure (n/mm) | Conductor Dia. (mm) | Insulation Thickness (mm) | Finished Dia. (mm) |
|---|---|---|---|---|
| 24 | 7/0.20 | 0.60 | 0.15 | 0.9±0.1 |
| 22 | 7/0.254 | 0.76 | 0.15 | 1.1±0.1 |
| 20 | 7/0.32 | 0.96 | 0.15 | 1.3±0.1 |
| 18 | 7/0.39 | 1.17 | 0.15 | 1.5±0.1 |
| 16 | 19/0.30 | 1.50 | 0.25 | 2.0±0.1 |
| 14 | 19/0.38 | 1.90 | 0.25 | 2.4±0.1 |
| 12 | 19/0.48 | 2.40 | 0.25 | 2.9±0.2 |
| 10 | 37/0.43 | 3.01 | 0.30 | 3.6±0.2 |
Aerospace & Aviation: Fly-by-wire systems, engine sensors, and cabin power distribution.
Space Systems: Satellite internal wiring and spacecraft harnesses exposed to cosmic radiation.
Medical Equipment: Miniature leads for endoscopes, surgical robots, and diagnostic sensors.
High-End Motors: Lead wires for compact, high-performance traction motors and transformers.
Nuclear Industry: Control cables for high-radiation zones in power plants.
Q: Why choose PI wire over PTFE (Teflon) wire?
A: PI wire is significantly tougher and more compact. It offers superior abrasion resistance and does not suffer from "cold flow" (mechanical creep). For weight-sensitive applications like aerospace, PI is the preferred choice.
Q: Is the insulation extruded or tape-wrapped?
A: Our PI-250 series features extruded Polyimide, which provides better moisture resistance and a more uniform surface compared to traditional tape-wrapped (Kapton) methods.
Q: Can you provide customized sizes or multi-core versions?
A: Yes. We support full customization including AWG sizes, conductor strand counts, and multi-core cabling. Please contact our technical support for a custom solution.
