The EPDM 70 O-Ring with a 3.5mm cross-section (CS) and 24mm inner diameter (ID) is a high-quality sealing component designed for durability and performance in harsh environments. Made from Ethylene Propylene Diene Monomer (EPDM) rubber with a 70 Shore A hardness rating, this O-ring offers excellent resistance to water, steam, and a variety of chemicals, making it ideal for use in industrial, automotive, and outdoor applications. Its superior resistance to heat, ozone, and weathering ensures reliable performance in both high-temperature and demanding environmental conditions.

Material Properties:

• Material: EPDM (Ethylene Propylene Diene Monomer)
• Hardness: 70 Shore A, providing an optimal balance of flexibility and strength.
• Temperature Range: -45°C to +150°C (-49°F to +302°F), suitable for a wide range of extreme temperature applications.
• Chemical Resistance: Excellent resistance to water, steam, weak acids, alkalis, and polar solvents, such as alcohols and glycols.
• Weather Resistance: Outstanding resistance to ozone, UV rays, and environmental aging, making it suitable for outdoor use.

Applications: The EPDM 70 O-Ring 3.5mm CS x 24mm ID is versatile and suitable for a wide variety of applications, including:

• Plumbing and HVAC systems: Ideal for sealing components in water and steam systems where resistance to moisture and heat is crucial.
• Automotive: Commonly used in cooling systems, brake systems, and other applications involving water, glycol, and other polar fluids.
• Outdoor equipment: Perfect for outdoor sealing applications due to its exceptional resistance to ozone, UV, and weathering.
• Chemical processing: Reliable in environments that involve weak acids, alkalis, and other chemicals, ensuring a secure seal in industrial systems.

Key Features:

• Water and Steam Resistance: Provides excellent sealing capabilities in applications exposed to water and steam, ensuring reliable leak prevention in plumbing and HVAC systems.
• High-Temperature Performance: With a temperature tolerance of up to 150°C, this O-ring is perfect for systems that operate under high heat conditions.
• Durability in Harsh Environments: EPDM’s superior resistance to weathering, ozone, and UV makes it a reliable choice for long-term outdoor use.
• Chemical Compatibility: The O-ring is highly resistant to weak acids, alkalis, and polar solvents, making it suitable for industrial and chemical applications.

Dimensions:

• Cross-Section (CS): 3.5mm
• Inner Diameter (ID): 24mm
• Outer Diameter (OD): 31mm

Compliance and Standards:

• ISO 3601 Compliance: Manufactured to international standards for O-ring dimensions and materials, ensuring quality and reliability.
• NSF/ANSI 61 Certification: Safe for use in potable water systems, ensuring compliance with water safety standards.

Advantages of EPDM Material:

• Weatherproof: Resistant to ozone and UV radiation, making it ideal for long-term outdoor applications.
• Broad Temperature Range: Performs well in both low and high temperatures, ensuring versatility across industries.
• Non-Reactive to Polar Fluids: Compatible with fluids like alcohols, glycol, and water-based solutions, expanding its range of applications.

Limitations:

• Not Suitable for Oil-Based Applications: EPDM is not compatible with petroleum-based fluids such as oils, fuels, and greases. For these applications, Buna-N or Viton O-rings are recommended.

Conclusion: The EPDM 70 O-Ring 3.5mm CS x 24mm ID offers exceptional sealing performance for applications exposed to water, steam, and harsh environmental conditions. Its chemical resistance, durability, and ability to withstand extreme temperatures make it a reliable solution for various industrial, automotive, and outdoor uses. Whether for sealing in plumbing, HVAC systems, or automotive applications, this O-ring delivers long-lasting performance and protection.