FEP Aero-Engine Fan Case Heat Shrink Sleeves

High-performance FEP heat shrink membranes for aero-engine fan case protection and moisture barrier applications.

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Holscot manufactures high-performance FEP anti-moisture membranes, more accurately specified within aerospace as Aero-engine fan case heat shrink sleeves, designed to provide a consistent, reliable moisture barrier in demanding environments.

Originally developed for use within major aerospace programmes, including work associated with Rolls-Royce, these components are now supplied more widely across industries where moisture ingress, chemical exposure, and long-term durability are critical.

What the product does

These FEP membranes are applied as a heat shrink sleeve over composite or metallic structures, forming a tight, uniform barrier that:

  • Prevents moisture ingress into fan cases and critical assemblies
  • Protects against aggressive chemicals and environmental exposure
  • Maintains integrity across a wide temperature range
  • Provides a smooth, non-stick, low-friction surface

Why FEP?

FEP offers a unique combination of properties that make it particularly suited to this application:

  • Excellent moisture and vapour barrier performance
  • Outstanding chemical resistance
  • Wide operating temperature range
  • Proven long-term stability in aerospace environments

 

Why work with Holscot

Unlike many suppliers in this space, Holscot manufactures directly from fluoropolymer granules, giving you greater control and consistency from the outset.

  • True manufacturing capability – extrusion, expansion and finishing in-house
  • Wide size range – suitable for both small and large diameter fan cases
  • Custom specification – tailored shrink ratios, wall thickness and formats
  • Low MOQ capability – supporting both development and production volumes
  • Responsive technical support – we help define the right solution, not just supply material

 

This approach ensures repeatability, traceability, and performance you can rely on in critical applications.

 

Typical Applications

 

  • Aero-engine fan case protection
  • Composite structure moisture barriers
  • Aerospace and defence systems
  • High-performance industrial equipment
  • Specialist containment and sealing applications

 

If you are reviewing fan case protection, anti-moisture membranes, or looking to improve performance in a demanding environment, we would welcome the opportunity to support your project.

 

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