The EPDM 70 O-Ring with a 3.5mm cross-section (CS) and 85mm inner diameter (ID) is a high-performance sealing component, ideal for use in a variety of industrial, automotive, and outdoor applications. Manufactured from Ethylene Propylene Diene Monomer (EPDM) rubber with a Shore A hardness of 70, this O-ring provides excellent resistance to weathering, ozone, water, and a range of chemicals. Its wide temperature tolerance, chemical compatibility, and durability make it suitable for both high- and low-pressure systems, delivering long-lasting performance in demanding environments.
Material Properties:
Material: EPDM (Ethylene Propylene Diene Monomer)
Hardness: 70 Shore A, providing a perfect balance of strength, flexibility, and durability.
Temperature Range: -45°C to +150°C (-49°F to +302°F), capable of withstanding both high and low temperature extremes.
Chemical Resistance: Excellent resistance to polar solvents, such as alcohols, glycols, water, steam, and weak acids/alkalis.
Weather Resistance: Superior resistance to ozone, UV rays, and environmental aging, ensuring long-lasting performance in outdoor applications.
Applications: The EPDM 70 O-Ring 3.5mm CS x 85mm ID is versatile and can be used in a wide range of sealing applications, including:
Plumbing and HVAC Systems: Ideal for sealing components in water and steam systems, ensuring leak-proof performance in pipes, valves, and fittings.
Automotive Systems: Commonly used in cooling systems, brake systems, and other fluid-handling applications, where its resistance to glycol-based fluids is crucial.
Outdoor Equipment: Suitable for weather-exposed equipment and machinery due to its excellent UV, ozone, and environmental resistance.
Industrial Applications: Perfect for chemical processing systems where polar solvents, weak acids, and alkalis are present, providing reliable sealing under various conditions.
Key Features:
Exceptional Weather Resistance: The O-ring’s ability to resist ozone, UV radiation, and environmental wear makes it ideal for outdoor applications where long-term exposure to the elements is expected.
Superior Sealing Performance: Provides excellent sealing capability in water, steam, and various polar solvent environments, ensuring leak-proof performance in diverse applications.
Temperature Tolerance: Performs well in extreme temperatures ranging from -45°C to +150°C, making it ideal for both cold and high-temperature systems.
Chemical Compatibility: Offers strong resistance to polar fluids such as alcohols, glycols, and water-based solutions, making it a versatile choice for industrial and automotive sealing needs.
Dimensions:
Cross-Section (CS): 3.5mm
Inner Diameter (ID): 85mm
Outer Diameter (OD): 92mm
Compliance and Standards:
ISO 3601 Compliance: Manufactured to international standards, ensuring dimensional accuracy and reliable performance in sealing applications.
NSF/ANSI 61 Certification: Certified for use in potable water systems, ensuring compliance with water safety regulations.
Advantages of EPDM Material:
Long-Term Durability: Resistant to cracking, aging, and weather-related degradation, EPDM is an ideal choice for seals exposed to harsh environments.
Wide Temperature Range: Works effectively across a broad range of temperatures, providing versatility for numerous industrial applications.
Polar Fluid Resistance: Unlike many elastomers, EPDM performs exceptionally well in applications involving polar fluids, such as water, steam, alcohols, and glycols.
Limitations:
Not Suitable for Oil-Based Applications: EPDM is incompatible with petroleum-based products such as oils, fuels, and greases. For applications involving such substances, Buna-N or Viton O-rings are recommended.
Conclusion: The EPDM 70 O-Ring 3.5mm CS x 85mm ID is an excellent sealing solution for applications involving water, steam, and harsh environmental conditions. Its superior weather, ozone, and chemical resistance make it ideal for use in plumbing, HVAC, automotive, and outdoor machinery. With its reliable sealing performance, broad temperature range, and long-lasting durability, this O-ring ensures optimal performance and protection in a wide variety of demanding environments.
