Discover Durlon®’s Fire-Safe Gasket Solutions for High-Performance Applications

Fire-safe gasket materials from Durlon® with flames in background, symbolizing high-temperature sealing solutions

Posted on June 5, 2026 by Dennis Errichiello, Midwest Regional Sales Manager

When it comes to sealing solutions, safety and reliability are of paramount importance, especially in industries that deal with extreme conditions. Durlon®, a leading brand in the field, offers a range of fire-safe gasket materials designed to meet the stringent demands of various industries, including refining, petrochemical, power generation, pulp & paper, food & beverage, and more. In this blog post, we explore Durlon®’s fire-safe products, their certifications, and the unique benefits they bring to critical applications.

Why Fire-Safe Gaskets Matter

Fire safety is a crucial concern in industries where equipment operates under extreme pressures and temperatures. A fire-safe gasket can prevent leaks that might otherwise lead to catastrophic accidents, ensuring operational integrity and safety. Durlon®’s fire-safe gaskets have been rigorously tested and certified according to various API standards by Yarmouth Research and Technology, an independent laboratory recognized for its expertise in fire testing of chemical process equipment. These certifications give manufacturers and end-users the confidence that Durlon® gaskets will perform reliably, even under the most challenging conditions.

Fire-safe gasket solutions from Durlon including 8300, 8500, 8900, 9000, HT1000, Durtec, Spiral Wound, and CFG in front of a refinery

Explore Durlon®’s Fire-Safe Gasket Range

For Steam and Hydrocarbon Services

  • Durlon® 8300
    A premium-grade compressed sheet gasket material ideal for use in steam and hydrocarbon services within the refining, petrochemical, and power generation industries. It also performs well in applications involving oil, water, mild alkalis, mild acids, and solvents.
    This gasket is certified to API 6FB, demonstrating its tightness and reliability during burn periods and cooldowns.
  • Durlon® 8500
    Designed for process industries such as pulp & paper, food & beverage, and pharmaceuticals, Durlon® 8500 is a high-performance compressed gasket material. It is suitable for a wide range of applications, including those involving oils, water, steam, refrigerants, and dilute acids and alkalis.
    Like Durlon® 8300, it is also certified to API 6FB, ensuring robust performance in fire-safe conditions.

For High-Temperature Applications

  • Durlon® 8900
    For applications requiring resistance to higher temperatures, Durlon® 8900 offers an excellent solution, with service temperatures up to 925°F. It is suitable for saturated and superheated steam, oil, dilute acids and alkalis, hydrocarbons, and solvents.
    This gasket has achieved the stringent ANSI/API Standard 607 certification, demonstrating zero leakage under fire test conditions.
  • Durlon® HT1000®
    The Durlon® HT1000® is engineered for extreme temperature sealing performance up to 1,832°F. Made from phlogopite mica paper with a unique binder formulation, this gasket minimizes weight loss and ensures optimal sealing under severe conditions.
    It is certified to API 607, with modifications by Exxon, affirming its performance under extreme fire conditions.

For Chemical Processing

  • Durlon® 9000
    When aggressive chemicals are involved, Durlon® 9000 is the ideal choice. It is used in process piping and equipment across chemical, pulp & paper, food & beverage, and other industries. The gasket is designed to resist corrosion and conforms to FDA requirements.
    It has passed API Standard 6FA, proving its ability to withstand external flames and high temperatures while maintaining tightness.
  • Durlon® CFG
    Designed for severe service conditions, Durlon® CFG is a corrugated, flexible graphite gasket material ideal for the refining, chemical, petrochemical, and pulp & paper industries. It has superior sealing and recovery characteristics and is suitable for applications involving steam, oil, water, mild alkalis, mild acids, hydrocarbons, and solvents.
    It has successfully passed the modified API 607 fire test, ensuring safety in high-temperature environments.

For Mechanical Support and Resilience

  • Durlon® Durtec® and Spiral Wound Gaskets
    Durlon® Durtec® and Spiral Wound (DRI ETG SWG) Gaskets are known for their exceptional sealing capabilities. The Durtec® gaskets feature a specially engineered corrugated metal core, providing unmatched mechanical support. The Spiral Wound Gaskets, with their unique combination of metal strips and compressible fillers, maintain resilience under varying conditions.
    These gaskets have passed multiple API fire tests, including modified API 607 and API 6FB, further proving their suitability for both onshore and offshore applications.

Confidence in Every Connection

In summary, Durlon®’s range of fire-safe gaskets is designed to provide unmatched performance and safety in the most demanding industrial applications. With certifications from independent laboratories and compliance with industry standards, Durlon® gaskets offer peace of mind to manufacturers and end-users alike. Whether you are dealing with extreme temperatures, aggressive chemicals, or challenging pressure conditions, Durlon® has a gasket solution tailored to your needs.

To learn more about Durlon®’s fire-safe products, visit Durlon®’s official website or contact your local distributor.

By choosing Durlon®, you are choosing safety, reliability, and performance.