FF/HH Certified Materials


    Gazguard Elastomers

    Proprietary materials qualified to API-6A-FF/HH material classification 

    Freudenberg Oil & Gas Technologies is a leader in elastomer and advanced thermoplastics materials technology, offering FF/HH materials qualified to API-6A 21st ed. F.1.13.5.2 and ISO 10423 F.1.11 standards. 

    All FF/HH qualified materials are exposed to a chemically aggressive environment for more than 160 hours at the maximum specified temperature rating for the temperature classification being tested or the required maximum temperature of the seal application.

    A specific example of certified performance of our FF/HH compounds is the Gazguard® 728 compound, which has been certified to material class FF/HH per ISO 10423:2009 and ANSI/API Specification 6A 21st Ed. within gas mixtures of:

    • 10% H2S / 10% CH4 / 80% CO2
    • Jet Fuel A, #2 Diesel
    • 70/20/10 mix of heptane/cyclohexane/toluene

    In addition, S Seals and FS Seals composed of Gazguard® 728 have achieved 10,000 psi PR2 Certification to ISO 10423 F1.11 in various sizes and temperature ranges.

    Available FF/HH Materials:

    Petroleum Elastomers

    FFHH approved materials chart web 08.2020

    Advanced Thermoplastics

    at ffhh table 09.17.2020

    Benefits:

    • Excellent resistance to chemical attack from oils and fuels
    • Enhanced mechanical properties and abrasion resistance
    • Excellent resistance to oxygen and ozone weathering, and explosive decompression damage


    API-6A Material Classes:

    FFHH Web Table 1

    API-6A Temperature Ratings:

    FFHH Temp Ratings Table

    • Downloads
    • Materials

    Available downloads:

    • Gazguard 728 FF/HH Certification

      English QMS-F30 Rev.5 available DOWNLOAD
    • Elastomer Storage Guidelines

      English 11/13 available DOWNLOAD

    Gazguard ® is offered in HNBR and FKM grades in both standard and low temperature versions.

    Downloads

    Available downloads:

    • Gazguard 728 FF/HH Certification

      English QMS-F30 Rev.5 available DOWNLOAD
    • Elastomer Storage Guidelines

      English 11/13 available DOWNLOAD

    Materials

    Gazguard ® is offered in HNBR and FKM grades in both standard and low temperature versions.

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