Flexible microporous insulation panels

The insulation panels for the Steel industry

STEELFLEX® flexible, thin and lightweight microporous insulation panels have excellent thermal and mechanical properties, designed specifically for the steel industry and other hot metal applications. STEELFLEX® is available in various water-repellent coverings.

How can you benefit from STEELFLEX®

  • High thermal performance
  • Available in various temperature grades
  • High compressive strength
  • Available with water-repellent coverings
  • Non-combustible

STEELFLEX® is most commonly used for

  • Transfer ladles
  • Torpedo cars
  • Tundishes
  • Electric Arc Furnaces
  • Degassers
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Download Product Documentation

Discover all characteristics and specifications of STEELFLEX®.

Variants of STEELFLEX®


Thin and lightweight insulation panel capable of withstanding peak temperatures of 1,000 °C.


Thin and lightweight insulation panel capable of withstanding peak temperatures of 1,100 °C.


Alumina-based insulation panel capable of withstanding peak temperatures of 1,200 °C.

Our Services

  • Analysis, calculations and simulations

    Meet all your fire, thermal, and acoustic requirements thanks to our full analysis, calculations, and simulation services.

  • Fire and performance testing

    Verify your solution’s efficiency with our in-house fire and thermal performance testing or take advantage of our state-of-the-art test labs.

  • Product selection and design

    We listen to your requirements and select the perfect match for the job from our comprehensive range of products.

  • Production and installation support

    Choose between pre-installed solutions, supervised production runs, small batch delivery or high-volume production.

  • Application or system design

    After defining the specifications, we will design a solution that fits your specific needs and develop a prototype.

  • Workshop services

    Our in-house workshops offer CNC routing and cutting, water jet and laser cutting, coating, shrink-wrapping, heat-sealing under vacuum, cutting and stamping of laminates, and hand manipulation.

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Curious to see what we can do for you? Do you have a challenge for us to solve?




Ultra-thin and lightweight insulation

MICROTHERM® PANELS are thin and lightweight microporous insulation panels with excellent thermal properties, ideally suited for high temperature applications with limited available space. They are produced in a glass cloth outer envelope, making them clean, easy to handle and easy to install.