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Durlon Gasket Material

  

Hennig Gasket & Seals is proud to offer Durlon® gasket materials — world-class compressed non-asbestos (CNA) sheets engineered for extreme temperature and pressure sealing. These materials are trusted across petrochemical, power generation, chemical processing, and other demanding industries.

What Makes Durlon® Special

  • High-density construction combining minerals, synthetic fibers, and elastomer binders ensures homogeneity and strength.
  • Excellent flexibility allows large or narrow flanges to be cut and installed without cracking.
  • Superior recovery and torque retention through repeated thermal cycles.
  • Manufactured under ISO 9001 standards, with rigorous quality control and fire / safety certifications where applicable.

 

Durlon® Grades We Stock

We carry three high-temperature grades of Durlon, each tailored for specifric operating conditions:

Grade Fiber/Binder Continuous Serv. Temp Max Pressure Typical Uses
Durlon 8300 Carbon + NBR up to 650F continuous 2000 psi Steam, hydrocarbons, oil & water, mild acids & solvents
Durlon 8900 Aramid + Graphite + NBR up to 752F continuous 2000 psi Superheated steam, hydrocarbons, more agressive service conditions
Durlon HT1000 Phlogopite mica + Silicone up to 1832F continuous   Exhaust systems, heat exchangers, applications too hot for conventional sheets

*Temperatures shown are continuous operating limits; higher peak temps may be tolerated depending on service.

 

Industries & Applications

Durlon® materials are ideal for high-demand environments. Common applications include:

  • Power generation (boilers, heat exchangers)
  • Petrochemical and refining plants
  • Chemical processing
  • Oil & gas equipment
  • OEM machinery under high pressure and temperature
  • Any sealing requirement involving steam, oils, acids, solvents, or extreme heat

 

Certifications & Safety

ISO 9001 Quality Management

Fire test certifications (e.g. ANSI/API 607 for 8900, API 6FB etc. for 8300)

Compliant with RoHS, California Prop 65, and other relevant safety & environmental standards

 

Why Choose Hennig for Your Durlon® Gaskets

Custom cutting to spec — waterjet, die cut, flash cutting.

Precision quality — tight tolerances, reliable performance.

Stock availability — we maintain inventory so you can get material or gaskets quickly.

Technical support — we help you select the right grade for your service conditions.