High temperature foam insulation - ArmaFlex® HT-C

ArmaFlex HT-C is a flexible closed-cell elastomeric foam insulation used in high-temperature applications up to 150°C. Effectively prevents corrosion under insulation, ArmaFlex HT-C is ideal for thermal insulation of pipes, vessels and ducts of solar collectors, motor vehicles, hot gas lines as well as steam lines and dual temperature lines.


Key features of ArmaFlex HT-C

  • Temperature resistant up to 150°C, ideal for insulating dual-temperature pipes
  • Built-in water vapour barrier reduces risk of corrosion under insulation (CUI)
  • Minimum energy loss through low thermal conductivity
  • High durability
  • Class 1 fire classification according to BS 476 Part 7

Explore our solutions

ArmaFlex Class 0

ArmaFlex Class 0 is the trusted insulation system for HVAC applications. Class 0 fire classification according to BS476 Parts 6 and 7. Reduces mould and bacteria growth with Microban® anti-microbial product protection, unique to Armacell.


NH/ArmaFlex is a halogen-free flexible elastomeric foam insulation. A reliable solution for shipyards. The professional insulation solution for clean rooms. Prevents stress corrosion cracking when installed on stainless steel. 

ArmaGel HT - next generation aerogel blanket technology

Welcome to the next generation of aerogel blanket technology. Flexible and bendable. Environmentally safe. Superior thermal performance. Designed for safety. C1728 compliant. ArmaGel HT is the reliable solution for high-temperature applications. 

About Armacell - Who we are

As the inventors of flexible elastomeric foams for equipment insulation purposes, Armacell develops innovative and safe thermal, acoustic, and mechanical solutions. By enabling energy efficiency for equipment we validate our global leadership in flexible technical foams. We provide innovative solutions offering reliable, certified performance, complemented by world-class practices to strengthen our premium brand position. 


Flexible and trusted - ArmaFlex

ArmaFlex is Armacell's product heritage. Today, in its seventh product generation, our flexible, lightweight, high-tech material features an insulating closed-cell structure with low thermal conductivity and an in-built water vapour barrier. ArmaFlex is manufactured across the Armacell world and customised to local requirements and often combined with other products into hybrid solutions.