About Pyropel® Polyimide Products

Pyropel® is a unique, rigid, lightweight polyimide fiberboard with superior insulating properties across a broad temperature range. Through a patented process in which it is three-dimensionally reinforced, it is self-supporting and exceptionally tough and durable. Pyropel offers an unmatched combination of insulating performance and assembly advantages. Manufactured in a wide variety of product types, Pyropel is available in a thickness and density to meet your specific application needs.

Produced from 100% thermoset polyimide, Pyropel products all inherently have outstanding thermal, mechanical, and chemical properties of polyimides. These inherent properties combined with the unique structure of Pyropel products allows the thermal and mechanical properties to be balanced, resulting in overall system performance to be improved.

Pyropel Polyimide Products have been commercially available for 30 years and are used in a wide variety of applications and industries.

Featured Benefits

Unmatched Versatility

Exceptional rigidity, resilience, strength, and versatility
High-temperature resistance
100% chemical-resistant polyimide
Not chemically affected by solvents, acids, or fuels
Self-supporting, 3-dimensionally reinforced
Can be converted into a wide range of shapes/configurations
Lightweight compared to conventional materials
Nontoxic – contains no adhesives, binders, coatings, or finishes
Bonds well with most resins and binders

Extended Temperature Performance

Cryogenic temperatures as low as -300°F and continuous use at temperatures as high as +550°F
Thermally and dimensionally stable for short periods at temperatures up to +800°F
Pyropel will not melt, drip, or support combustion
Extremely low heat release
Emits no smoke when subjected to ignition sources

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