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The aerospace industry is trending towards aircraft electrification, which reduces the toll that air transport takes on the environment. In turn, voltages are increasing to avoid weight gain in wiring systems, but this is also placing more electrical stress on wiring and increasing the risks associated with physical damage. Thankfully, W. L.
As the trend towards electrification and higher DC voltage increases in aircraft, wire insulation becomes critical to ensure system reliability, functionality and safety. But, higher voltages put more electrical stress on wiring, which means more risks from physical damage. You can increase the amount of insulation to add more durability, but increasing wire size and weight also add aircraft weight.
Best Combination of Durability & Long-Term Stability
The GWN3000 Series of GORE High Performance Aerospace Wires offers the best combination of superior mechanical strength and outstanding electrical reliability without increasing wire bundle size or weight. They meet higher mechanical and electrical durability levels for wire bundles operating in severe conditions.
The key is our proprietary fluoropolymer that has a higher PDIV/PDEV with a proven higher voltage breakdown and endurance than other materials. This unique insulation can easily resist extreme operating temperatures, harsh chemicals and humidity without degrading. Unlike other materials, our insulation is also proven to reduce chafing, abrasion and cut-through failures.
Ultimately, we’ve developed an optimal solution that OEMs and program managers want and need for future aircraft electrification. Our GWN3000 Series provides aircraft systems with a higher level of mechanical and electrical performance over time.
With GORE High Performance Aerospace Wires installed in your aircraft, you can ensure operational readiness and EWIS reliability, increase aircraft availability, improve safety and reduce your total costs.
Review the table below to compare GORE High Performance Aerospace Wires, GWN3000 Series against other insulation materials.
Note that current wiring solutions either contain polyimide or exhibit limitations in physical and electrical properties. The yellow squares indicate good overall abrasion test results. But, the underlying polyimide is quickly exposed, which risks degradation, arc tracking, and more. Any Improvements to these materials are likely to involve an increase in wire size and weight.
Download the data sheet for more performance comparison data.
|Critical Attributes||Extruded Fluoropolymer (XLETFE)||PTFE/Polyimide Composite||Gore Engineered Fluoropolymer (EFP)|
|Long-Term Material Stability||■||■||■|
Green = Acceptable/Good
Yellow = Concern/Uncertainty
Red = Unacceptable/Low Performance
Features & Benefits
GORE High Performance Aerospace Wires, GWN3000 Series offers many features and benefits for improved system performance in aircraft, including:
- less risk of wire damage with proven insulation strength that resists chafing, abrasion and cut-through over wide temperatures
- chemically inert, non-flammable material resists harsh chemicals/fire for increased aircraft safety and improved system performance
- no degradation over time due to hydrophobic, non-hydrolyzing material that ensures longer service life
- low-permittivity material ensures higher PDIV/PDEV for improved electrical durability, reducing risk of voltage breakdown over time in demanding MEA applications
- Greater EWIS reliability, increased aircraft availability, improved safety, reduced total costs
- increased future-proofing with wires that can withstand higher voltage requirements
- selected samples with short lead times for prototyping and evaluation
For more information about the features and benefits of our wires or to discuss your specific application needs, please contact a Gore representative.
GORE High Performance Aerospace Wires, GWN3000 Series, has undergone substantial qualification testing to ensure they meet the most current industry standards and our customers’ requirements.
We completed all testing according to SAE AS4373™ methods using size 20 AWG. We also compared performance results for our part number, GWN3001-20-NCC-U-9, against commonly used wire types.
|Nominal Insulation Wall Thickness||8 mils for engineered fluoropolymer||—||Compliant|
|Test Voltage||Impulse: 8 kV (peak)
High-frequency test voltage: 5 kV (RMS)
|Partial Discharge Inception Voltage||Minimum 900 V||ASTM D3032, Section 25*||Compliant|
|Partial Discharge Extinction Voltage||Minimum 1900 V||ASTM D3032, Section 25*||Compliant|
|Dry Arc Propagation||70 out of 75 wires pass dielectric withstand post-test||SAE AS4373, Method 508||Compliant|
|Wet Arc Propagation||70 out of 75 wires pass dielectric withstand post-test||SAE AS4373, Method 509||Compliant|
|Flammability||No incendiary particles; burn <3.0 mm (1.18 in); self-extinguish in 3 seconds||SAE AS4373, Method 801||Compliant|
|Humidity resistance||5000 m per ohms / 1000 ft after exposure||SAE AS4373, Method 603||Compliant|
|Dynamic Cut Through Resistance||23°C, 30 lb
150°C, 25 lb
200°C, 25 lb
260°C, 10 lb
|SAE AS4373, Method 703||Compliant|
|Abrasion Resistance||23°C, 20,000 cycles
70°C, 3,000 cycles
150°C, 1,000 cycles
|SAE AS4373, Method 301||Compliant|
|Tensile Strength||Average >60 lb||SAE AS4373, Method 705||Compliant|
|Wrap Back||No cracks after wrapping||SAE AS4373, Method 714||Compliant|
* Test performed in dielectric fluid.
Fill out short form to receive a complimentary sample of our wires for prototyping and evaluation from our authorized global distributors, Air Cost Control (Europe) or WireMasters (US).
Posted September 14, 2021
Gore announced today several of its next-generation data cable products for aerospace and defense applications have earned an important qualification. The prestigious VG designation from the Bundeswehr, Germany’s unified armed forces as well as related civilian administrative and procurement organizations, is expected to facilitate further adoption of these cables for military use.
Posted September 10, 2021
Gore announced the expansion of its Coaxial Cables line for defense land system applications. The new product is smaller and lighter than previous offerings, yet capable of transmitting ultra-high-definition (UHD) 4K video with excellent shielding from radio frequency interference.
June 20, 2021 - June 25, 2021
Gore is exhibiting virtually at this year’s International Microwave Symposium (IMS), and you’re invited to visit our virtual booth. We’ll describe how our proven portfolio of durable microwave/RF test assemblies delivers stable and consistent performance for reliable 5G test results.
Posted April 26, 2021
Gore announced today it was named a Silver Supplier for exceptional performance and contributions to supply chain success in 2020 by BAE Systems’ Electronic Systems sector.
FOR INDUSTRIAL USE ONLY
Not for use in food, drug, cosmetic or medical device manufacturing, processing, or packaging operations.