Heat Resistant Hard Coat Insulation from Firwin

  • Lightweight
  • Hard exterior
  • High heat resistant composite material


The specifications of the Hard-Coat Insulation are as follows:


  • Elbows
  • Turbochargers
  • Exhaust Tubing
  • Exhaust Manifolds


  • Aerospace
  • Marine
  • Defense
  • Mining


  • Non flammable
  • High temperature performance: Suitable for engine compartment components needing long-term exposure to high temperatures.
  • Protects personnel from burns
  • Long locating and more durable than removable insulation blankets - not prone to tearing, does not become brittle over time
  • Conforms tightly to part
    • Prevents fluids from igniting on hot engine and exhaust parts
    • Can be used in limited space applications
  • Lowers ambient temperature - cooler engine compartment, less heat stress on operators and maintenance personnel

Performance Data

Based on independent field testing. Exhaust temperature 1072 ºF (578 ºC). CAT C6.6 Engine

Part Measured Temperature
Turbo Flange (Casting) - Uncovered 600 ºF (315 ºC)
Turbo Insulated With Firwin HC 120 ºF (48 ºC) to 250 ºF (121 ºC)
Manifold Insulated With Firwin HC 135 ºF [57 ºC) to 250 ºF (121 ºC)

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