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walki thermoformable automotive materials
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Walki solutions for automotive materials

Walki develops advanced material solutions for automotive applications where performance, weight and sustainability must work together. Our portfolio includes thermoformable skins and engineered materials designed to deliver adhesion, reinforcement, acoustic insulation and barrier protection across a wide range of components.

From underbody systems to interior applications such as carpets, headliners and load floors, Walki materials help reduce complexity, optimise production and support design for recycling. By combining multiple functionalities into fewer layers, we enable more efficient manufacturing and improved material use throughout the vehicle lifecycle.

walki thermoformable automotive materials
walki thermoformable automotive materials

Thermoformable materials for automotive

Thermoformable skins are advanced multilayer or mono-material structures that can be shaped under heat and pressure into complex automotive components.

They act as functional layers within composite parts, delivering multiple benefits:

  • Structural reinforcement
  • Adhesion between layers
  • Acoustic insulation
  • Barrier protection (moisture, gas, chemicals)

Unlike traditional solutions requiring multiple materials and process steps, Walki skins integrate functionalities into a single solution, improving efficiency across the value chain.

Product overview

Mono-material underbody shield skin
designed for recycling

  • Structure: Co-PET / Scrim / Co-PET
  • Polyester-based for recyclability (with PET systems)
  • Excellent tear resistance and durability
  • Lightweight and dimensionally stable
  • Master rolls up to 2.2 m

Best for: Circular design and mono-material strategies

Multi-layer reinforcement for
underbody shields

  • Structure: PE / Scrim / Nonwoven
  • High tear resistance and part integrity
  • Lightweight with strong dimensional stability
  • Plug & play integration into existing processes
  • Master rolls up to 2.2 m

Best for: Proven performance with flexible design compatibility

Recyclable mono-material skin for superior carpet adhesion

  • Structure: Co-PET / PET / Co-PET
  • Designed for recycling with PET nonwovens
  • Strong adhesion across carpet components
  • Acoustic and barrier performance
  • High-temperature resistance

Best for: Future-ready recyclable interior systems

Multifunctional carpet backing skin with strong adhesion

  • Structure: PE / PA / PE
  • High mechanical and chemical bonding strength
  • Moisture, gas and acoustic barrier
  • High temperature resistance
  • Enables faster production

Best for: High-performance multilayer carpet systems

While both are thermoformable skins, they are designed for different applications and performance priorities within the vehicle:

FeatureWalki®Re-inforceWALKI®EasySeal
Primary useUnderbody shield reinforcementCar carpet backing and adhesion
Key functionTear resistance, structural integrityStrong bonding between carpet layers
Mechanical strengthHighModerate
Acoustic roleSecondaryPrimary (noise and vibration damping)
Barrier performanceLimitedMoisture, gas and chemical barrier
ExposureExternal (harsh conditions)Interior environment
Mono-material availabilityYes (Re-inforce Mono)Yes (EasySeal Mono)
Added valueReinforces durability of componentsCombines adhesion, barrier and acoustics

Reducing complexity. Enabling circularity.

Who is
it for

Walki thermoformable materials are developed for:

Sustainability focus – designed for performance and circularity

Sustainability in automotive goes beyond electrification. Materials play a critical role. Walki solutions support:

  • Lightweighting → improved energy efficiency
  • Mono-material designs → easier recycling
  • Reduced material usage → lower resource demand
  • Less glass fibre → improved workplace safety

Customisation capabilities

Walki solutions are engineered to match your exact process and performance targets:

  • Tailored layer structures and grammage
  • Adjustable adhesion levels Fire-retardant options
  • Acoustic tuning
  • Width and roll format optimisation
  • Compatibility with different substrates
walki thermoformable automotive materials

Designing materials for a circular EV future

As demand for battery materials grows, improving the recyclability of all vehicle components becomes critical. Walki is helping drive this change with materials that are lighter, recyclable and engineered for fire safety. Learn how smarter material design contributes to energy efficiency, safer vehicles and a more sustainable automotive ecosystem.

They are engineered materials that can be heat-shaped into automotive components while providing structural, acoustic and barrier functions.

Mono-material structures improve recyclability and support circular automotive design.

Typical applications include underbody shields, carpets, headliners, wheel arch liners and trunk load floors.

By combining multiple functions into one layer, reducing process steps and simplifying handling.

Yes. Lightweight, acoustic and fire-related performance make them highly relevant for EV requirements.


Design your next automotive component with fewer layers


Looking to improve performance while simplifying your material structure? Our experts help you develop thermoformable solutions tailored to your application, process and sustainability targets.

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