Continuously Molded EPDM 70 Duro Black Peroxide Cured FDA O-Rings
When it comes to high-performance sealing solutions, Continuously Molded EPDM 70 Duro Black Peroxide Cured FDA O-Rings stand out as an exceptional choice. Designed specifically for demanding applications, these O-Rings are continuously molded—a proprietary method ensuring nearly seamless joints and consistent quality.
Key Benefits and Features of Continuously Molded O-Rings
Seamless Performance
Continuously molded O-Rings offer a virtually seamless joint, making them particularly reliable for dynamic applications and large-diameter seals, where traditional methods might introduce weak points.
No Tooling Required
Without the need for specialized molds, continuously molded O-Rings reduce upfront costs, making them ideal for custom or non-standard sizes and prototypes.
High-Quality Consistency
The continuous molding process ensures uniform quality and dimensions, providing superior reliability, especially in critical sealing applications.
Large Diameter Capabilities
Easily produce O-Rings with large inner diameters (over 200mm or 8 inches), which can be challenging with traditional molding methods.
Robust Durability
These O-Rings provide excellent resistance to deformation, ensuring long-term durability in various demanding environments, including high-pressure and vacuum applications.
Technical Information
Continuously Molded EPDM 70 Duro Black Peroxide Cured FDA O-Rings offer outstanding physical and mechanical properties:
- Material: EPDM (Ethylene Propylene Diene Monomer)
- Durometer: 70 Shore A
- Color: Black
- Curing System: Peroxide
- FDA Compliance: FDA CFR 21 – 177.2600, USP Class VI, 3-A Sanitary Standards
- Density: 1.15 ± 0.03 g/cm³
- Hardness: 70 ± 5 Shore A
- Tensile Strength: >16 N/mm²
- Elongation: >200%
- Compression Set (24h @150°C): <14%
- Compression Set (72h @150°C): <25%
- TR10 (Low-Temperature Resistance): <-42°C
Operating Temperature:
- -58°F to +302°F (-50°C to +150°C)
Aging Properties (Heat Aging):
- 100°C for 70 hours: Slight hardness increase (+1 Shore A), minimal tensile and elongation reduction.
- 125°C for 70 hours: Moderate hardness increase (+2 Shore A), tensile and elongation decrease around 15%.
- 150°C for 70 hours: Noticeable hardness increase (+4 Shore A), tensile and elongation decrease approximately 25%.
Environmental Resistance:
- Excellent resistance to water, ozone, UV rays, and hydrogen, ensuring long-term performance in harsh environments.
Typical Applications
Continuously Molded EPDM 70 Duro FDA O-Rings are ideal for:
- Food and Beverage Industry
- High-pressure applications
- Dynamic sealing solutions
- Vacuum sealing applications
- Large mechanical equipment
- Oil and gas industry
Typical Lead Time:
Current Lead Time ~4-12 Weeks ARO
Request Pricing and Availability
For pricing, availability, or custom sizes, please contact us directly via phone, ask for Continuously Molded O-Rings, or email. At The O-Ring Store LLC, we are committed to making your O-Ring procurement process seamless and efficient.