Tefzel® Insulated Wire
Tefzel® (ETFE - Ethylene Tetrafluoroethylene) insulated wire combines excellent electrical properties with superior mechanical strength and cut-through resistance. Our MIL-W-22759 specification Tefzel wire is designed for aerospace, military, and high-reliability applications where durability and performance are critical.
Why Choose Tefzel® Wire?
- Temperature range: -65°C to +150°C continuous operation
- Exceptional cut-through and abrasion resistance
- Superior mechanical strength vs. PTFE
- Excellent chemical and solvent resistance
- Outstanding flame resistance and low smoke generation
- Radiation resistant - ideal for nuclear applications
- Lower cost alternative to PTFE for many applications
MIL-W-22759 Tefzel® Wire Specifications
MIL-SPEC
MIL-W-22759/16 Tefzel® Wire
Single conductor, Tefzel insulated wire with silver plated copper conductor. Military specification for aerospace and defense wiring systems.
Specifications:
• Temperature: 150°C, 600V
• Conductor: Silver plated copper
• AWG: 24-10
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• Conductor: Silver plated copper
• AWG: 24-10
MIL-SPEC
MIL-W-22759/18 Tefzel® Wire
Single conductor, Tefzel insulated wire with nickel plated copper conductor. QPL approved for military and aerospace applications.
Specifications:
• Temperature: 150°C, 600V
• Conductor: Nickel plated copper
• AWG: 26-12
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• Conductor: Nickel plated copper
• AWG: 26-12
MIL-SPEC
MIL-W-22759/32 Tefzel® Wire
Single conductor, Tefzel insulated wire with tin plated copper conductor. High strand count for improved flexibility in tight spaces.
Specifications:
• Temperature: 150°C, 600V
• Conductor: Tin plated copper
• AWG: 26-12
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• Conductor: Tin plated copper
• AWG: 26-12
MIL-SPEC
MIL-W-22759/34 Tefzel® Wire
Single conductor, Tefzel insulated wire with tin plated copper conductor. Designed for maximum flexibility in demanding applications.
Specifications:
• Temperature: 150°C, 600V
• Conductor: Tin plated copper
• AWG: 24-10
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• Conductor: Tin plated copper
• AWG: 24-10
Tefzel® vs. PTFE Quick Comparison
| Property | Tefzel® (ETFE) | PTFE |
|---|---|---|
| Max Temperature | 150°C | 200°C |
| Abrasion Resistance | Excellent | Fair |
| Cut-Through Resistance | Superior | Good |
| Mechanical Strength | Superior | Good |
| Flexibility | Very Good | Excellent |
| Cost | Lower | Higher |
Common Applications
- Aircraft and aerospace wiring
- Military vehicles and equipment
- Missile and satellite systems
- Marine and shipboard systems
- Nuclear power installations
- High-reliability electronics
- Automotive under-hood wiring
- Industrial control systems
- Oil and gas equipment
- Chemical processing plants