Cord O-Ring Ø 12 mm EPDM MIC - Industrial Sealing Cord Stock

Applications

The Cord O-Ring Ø12 mm EPDM is engineered as a versatile rubber gasket and technical sealing component for industrial sealing tasks. Sold as a round cord rather than pre-moulded O-ring, this product allows procurement teams and maintenance engineers to cut to length and fabricate custom-sized O-rings, static seals or sealing rings tailored to flanges, housings or large-diameter assemblies. It addresses key search phrases like “cord O-ring 12 mm EPDM”, “12mm EPDM O-ring cord stock”, “industrial EPDM sealing cord Ø12” which reflect global and Polish interest in customised sealing solutions.

This cord is well suited to applications in hydraulic and pneumatic systems, machine enclosures, control panels, flanged covers and industrial assemblies where standard O-ring sizes do not suffice. The EPDM material ensures high durability in water and steam environments and resistance to weathering, making it a preferred choice for outdoor, humid or steam-exposed installations.

Advantages

• With a diameter of 12.00 mm, the round cord offers flexibility to fabricate custom O-rings of large inner diameters or irregular shapes, supporting cost-efficient inventory management.

• EPDM elastomer provides high resistance to ozone, ultraviolet radiation, ageing and weathering—ideal for sealing in hydraulics, pneumatics, outdoor installations and industrial equipment.

• The material supports good performance in steam, hot water and ambient outdoor exposure; thus the cord is a strong choice when reliability and minimal downtime matter.

• Procurement-friendly: stocked in our warehouse in Lublin (ul. Smoluchowskiego 1, building 4) with 24h delivery, enabling B2B customers to respond quickly to maintenance or production needs.

• The cord profile enables precise sealing — cut to size on-site, spliced or vulcanised for custom runs, offering flexibility vs standard O-ring inventories.

Technical Data

• Product type: Round cord stock / Sealing cord / Cord O-ring

• Profile diameter: approximately Ø 12.00 mm

• Material: EPDM (ethylene-propylene-diene monomer rubber)

• Typical hardness: ~70 Shore A (common for EPDM sealing cords)

• Typical operating temperature range: approx. -50 °C to +130 °C (depending on specific compound)

• Key uses: custom O-ring manufacture, large-diameter seals, static sealing in hydraulics/pneumatics, gaskets for outdoor/industrial use

• Standard colour: black (typical for EPDM)

• Stock & dispatch: Warehouse & Store: Lublin, ul. Smoluchowskiego 1, building 4 — 24h delivery.

FAQ

Q1: What does “cord O-ring” mean and why use a cord instead of a standard O-ring?
A1: A cord O-ring is a round rubber cord used to fabricate custom-sized rings or seals. It allows engineers to cut the exact length and splice or vulcanise for large diameters or unique geometries, offering flexibility when standard O-rings are not suitable.

Q2: Is the Ø 12 mm EPDM cord suitable for hydraulic oil applications?
A2: EPDM excels in water, steam and weather-resistant sealing; however, its compatibility with mineral oils, fuels or aggressive hydraulic fluids is limited compared to other elastomers. For oil-rich applications a material more oil-resistant may be preferable.

Q3: What is the temperature range for this EPDM sealing cord?
A3: Typical EPDM cord stock is rated from approximately -50 °C up to around +130 °C depending on the formulation, making it well suited for many industrial outdoor, steam and humid-environment applications.

Q4: How fast is the delivery for this product?
A4: The cord is stocked in Lublin (ul. Smoluchowskiego 1, building 4) and available for 24h delivery, supporting rapid procurement cycles for B2B operations and maintenance departments.

Q5: Can I request a different diameter or hardness if needed?
A5: Yes — we can provide alternative diameters, profiles and hardness values or different materials (such as NBR, FKM) to match specific sealing requirements and media compatibility.