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ECS Ducting

ECS ducts provide cooling air or other media to aircraft crew and avionic systems.  ECS ducting can be fabricated from Kevlar®, Fiberglass or carbon fibers with various resin systems.  ECS ducting systems are designed to utilize a ultra low weight design for optimum performance.  Additionally, low thermal conductivity insulation blankets are available on many of the ducts to meet stringent thermal requirements.

The above shown are specially insulated ECS ducts that are fabricated from a polyester resin system with fiberglass reinforcement.  This ducting system is designed for use in a restricted envelope environment, utilizing a low profile aerospace insulation for optimum performance.  This ducting package incorporates a specialized design for retrofit on military surveillance platforms.  These ducts are engineered to consistently outperform  standard military specifications.

Available continuous fiber reinforcements:

  • Fiberglass fiber
    • E-Glass - High strength, lowest cost fiber, available in many forms, widely used in commercial and industrial products
    • S-Glass - Improved strength, higher modulus, higher cost fiber, used in aerospace and high performance pressure vessel applications.
  • Carbon / Graphite Fiber - Increased performance, wide strength range, highest fiber cost, intermediate density, poor impact or damage tolerance, best tensile strength and stiffness properties.
  • Thermoplastics - Including Spectra Shield® with ballistic properties
  • Aramid fiber - Good strength, higher modulus, higher cost fiber, very low density, excellent impact and damage tolerance properties, poor compression and shear strength.
  • Kevlar®

Available resins:

  • Polyester

    • General purpose polyester - Orthophthalic polyesters, lowest cost systems, moderate strength and corrosion resistance, room temperature cure.

    • Improved polyester - Isophthalic polyesters, slightly higher cost, good strength and corrosion resistance, room temperature cure.

  • Vinyl Ester -  Chemical combination of epoxy and polyester technology, excellent corrosion resistance, higher cost, excellent strength and toughness properties.

  • Bisphenol-A, Fumarate, Chlorendic - More exotic systems for improved corrosion resistance in harsh environments, higher cost resins, higher temperature capability.

  • Phenolic - Excellent flammability properties (eg. flame retardance, low smoke emissions), higher cost systems, lower elongation, moderate strength, applications involve fire resistant systems structures.

  • Epoxy - Wide range of resins available, best strength properties, usually heat-cure required, good chemical resistance, higher viscosity systems, higher material cost, applications across broad market segment range.

 

For additional information regarding this product or any of Royal Plastic Mfg., Inc. advanced composite products for aerospace applications please click here...

 

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