Application Fit Finder

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    At Wyatt Seal, we know that selecting the perfect seal material is crucial to achieving durability, optimal performance, and reliable resistance in any application. Our innovative Application Fit Finder tool is designed to make the process as straightforward as possible.

    Why the Right Material Matters

    Choosing the correct material can mean the difference between a seal that meets rigorous industry demands and one that falls short. With our tool, you can easily compare and contrast key material properties, ensuring that your application — whether it demands high temperature endurance, specific chemical resistance, or tailored performance attributes — is paired with the optimal material.

    How Our Fit Finder Works

    Our interactive smart tables help you compare, filter, and find the right material, empowering you to make confident decisions:

    • Physical Properties: such as temperature range, durometer, and elasticity.
    • Chemical Compatibility: how each material performs against various substances.
    • Industry Applications: which material is best suited for specific industries and environments.

    Simply navigate through the charts, compare the key properties side-by-side, and leverage our expert insights to select the seal material that meets your performance standards.

    Get Started Today

    Ready to make an informed decision that ensures long-lasting quality and performance? Use the tables below to identify the optimal seal material for your application. At Wyatt Seal, we’re committed to delivering precision, reliability, and results with every seal. If you need expert support or application-specific guidance, contact us — our team is here to help.

    Materials Temperature Range Oil & Fuel Resistance Tear Resistance Compression Set Chemical Resistance Flexibility Non-Toxic/Sterile Resistance to Aging & Sunlight Resistance to Water & Steam Tensile Strength Weather & Ozone Resistance Low Friction Nonstick High Load-Bearing Capacity Low Electrical Conductivity
    Fluorosilicone -76°F to 392°F Excellent (fuels/solvents) Moderate Moderate Excellent (fuels/solvents) High Yes, with medical grades Excellent Moderate (not high-pressure steam) Low to Moderate Excellent Moderate Moderate Low Excellent
    Silicone -76°F to 392°F Poor Low Good Moderate High Yes, with medical grades Excellent Good (low-pressure steam) Low to Moderate Excellent Moderate Excellent Low Excellent
    Fluorocarbon (FKM) -4°F to 446°F Excellent High Excellent Excellent Moderate Not typically sterile Moderate Moderate High Good Excellent Moderate High Good
    Nitrile (Buna-N) -22°F to 248°F Good High Good Moderate Moderate Not typically sterile Poor Poor (swells in water) Moderate Poor Moderate Poor Moderate Good
    FFKM (Perfluoroelastomer) -4°F to 620°F Outstanding High Excellent Outstanding (nearly universal) Moderate Yes (custom grades) Excellent Excellent High Excellent Moderate Excellent High Excellent
    EPDM -58°F to 302°F Poor Moderate Good Excellent (acids, bases, steam) High Yes (medical grades) Excellent Excellent Moderate Excellent Moderate Moderate Moderate Excellent
    PTFE (Teflon®) -328°F to 500°F Outstanding Low Excellent Outstanding Low Yes (non-reactive) Outstanding Excellent Moderate Outstanding Outstanding Outstanding Very High Outstanding
    HNBR -22°F to 320°F Excellent High Excellent Excellent Moderate Limited Excellent Moderate High Excellent Moderate Moderate High Good
    Polyurethane -40°F to 175°F Good Very High Moderate Moderate Moderate Limited Poor Poor Very High Poor Poor Poor Very High Moderate
    Materials Abrasion Resistance Acid Resistance Brake Fluid Resistance Cleaning Agents Corrosion Resistance Diluted Alkalis Electrical Resistance Flame Resistance Grease Resistance High Impact Resistance Ketone Resistance Mold Resistance Oxidation Resistance Silicone Oil Resistance Steam Resistance Sunlight Resistance Water Resistance Weather Resistance
    Fluorosilicone Low Moderate Moderate Moderate Excellent Moderate Excellent Moderate Excellent Low Poor Excellent Excellent Excellent Moderate Excellent Moderate Excellent
    Silicone Low Moderate Poor Excellent Excellent Moderate Excellent Excellent Poor Low Poor Excellent Excellent Excellent Moderate Excellent Excellent Excellent
    Fluorocarbon (FKM) High Good Excellent Excellent Good Poor Good Excellent Excellent Moderate Poor Good Good Excellent Moderate Moderate Moderate Moderate
    Nitrile (Buna-N) High Poor Poor Moderate Poor Poor Moderate Poor Good High Poor Poor Poor Poor Poor Poor Poor Poor
    FFKM (Perfluoroelastomer) Moderate Outstanding Excellent Outstanding Outstanding Excellent Excellent Outstanding Outstanding Low Outstanding Excellent Outstanding Outstanding Outstanding Outstanding Excellent Outstanding
    EPDM Moderate Excellent Poor Excellent Excellent Excellent Excellent Good Poor Moderate Poor Excellent Excellent Moderate Excellent Excellent Excellent Excellent
    PTFE (Teflon®) Low Outstanding Moderate Outstanding Outstanding Outstanding Outstanding Outstanding Outstanding Low Outstanding Outstanding Outstanding Outstanding Outstanding Outstanding Outstanding Outstanding
    HNBR High Moderate Excellent Excellent Moderate Moderate Good Good Excellent High Poor Excellent Excellent Moderate Moderate Excellent Moderate Excellent
    Polyurethane Very High Poor Poor Moderate Poor Poor Moderate Poor Moderate Very High Poor Moderate Moderate Poor Poor Poor Poor Poor
    Materials Aerospace Automotive Electrical Energy Food & Beverage Household Appliances Hydraulics Marine Devices Medical & Pharmaceutical Military Oil & Gas Pneumatics Semiconductors Waterproofing
    Fluorosilicone Yes Yes Yes Yes Limited (special grades) Yes Yes Yes Yes (medical grades) Yes Yes Yes Limited Yes
    Silicone Yes Yes Yes Yes Yes (FDA-compliant) Yes Limited Yes Yes (medical grades) Yes Limited Limited Yes Yes
    Fluorocarbon (FKM) Yes Yes Yes Yes No Yes Yes Yes No Yes Yes Yes Yes Yes
    Nitrile (Buna-N) Limited Yes Limited Yes No Yes Yes Yes No Yes Yes Yes No Limited
    FFKM (Perfluoroelastomer) Yes Yes Yes Yes Yes (special grades) Yes Yes Yes Yes (medical grades) Yes Yes Yes Yes Yes
    EPDM Limited Limited Yes Yes Yes (FDA-compliant) Yes No Yes Yes (medical grades) Yes No Yes Yes Yes
    PTFE (Teflon®) Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes
    HNBR Yes Yes Limited Yes No Yes Yes Limited No Yes Yes Yes No Yes
    Polyurethane Limited Yes Limited Yes No Yes Yes No No Limited Limited Yes No No

    Now that you've identified the best sealing material for your application, the next step is finding the right size to ensure a precise fit. Our O-Ring Size Chart makes that easy. Whether you're replacing an existing seal or specifying a new one, this chart will help you match your material selection to the correct dimensions for optimal performance and reliability.

    Jump to the  O-Ring Size Chart.