AS-568A KALREZ Compound Ring

Review KALREZ K#120 Compound O-ring New

The Kalrez AS568A 120 Compound O-Ring with part number 4079 is a high-performance perfluoroelastomer (FFKM) product designed for sealing applications in extreme environments. This particular o-ring compound, AS568A, offers exceptional chemical resistance against a wide range of solvents, acids, and bases.

The 120 durometer hardness of this o-ring ensures excellent mechanical strength, compressibility, and resilience. It can effectively withstand high pressures and temperatures without deforming or leaking. The 4079 part number signifies that this o-ring is manufactured according to the industry-standard dimensions of the AS568A series.

The Kalrez AS568A 120 Compound O-Ring is made from DuPont's Kalrez perfluoroelastomer material. This unique elastomer offers superior resistance to thermal aging, ozone, and weathering. It maintains its sealing performance even in harsh conditions, making it an ideal choice for various industries, including chemical processing, pharmaceuticals, oil and gas, semiconductors, and aerospace.

This o-ring's high chemical resistance is attributed to its perfluoroelastomer structure, which features a backbone of perfluorocarbons and a side chain of alkyl groups. The perfluorocarbons provide excellent resistance to solvents, acids, and bases, while the alkyl side chains enhance the elastomer's flexibility and compressibility.

The Kalrez AS568A 120 Compound O-Ring is suitable for applications involving contact with aggressive chemicals such as hydrochloric acid, nitric acid, and sulfuric acid. It is also suitable for use in high-temperature environments, reaching up to 327 F (164 C) continuously and up to 400 F (204 C) intermittently.

This o-ring's excellent sealing properties are maintained even in the presence of various gases, such as oxygen, nitrogen, and hydrogen. Its compatibility with a wide range of elastomer adhesives and lubricants enables easy integration into various sealing systems.

In summary, the Kalrez AS568A 120 Compound O-Ring with part number 4079 is a versatile and reliable sealing solution for extreme environments and applications involving contact with aggressive chemicals, high temperatures, and various gases. Its exceptional chemical resistance, mechanical strength, and flexibility make it an indispensable component in industries that require high-performance sealing solutions.

Kalrez AS568A 120 Compound 4079 O-Rings are high-performance elastomeric seals designed for use in severe service applications. These O-Rings offer excellent resistance to various chemicals, temperatures, and mechanical loads. However, like any other product, they come with their advantages and disadvantages.

1. Chemical Resistance: Kalrez AS568A O-Rings exhibit exceptional resistance to a wide range of chemicals, including acids, bases, hydrocarbons, and halogens. This makes them suitable for use in various industries such as oil and gas, chemical processing, and pharmaceuticals.

2. High Temperature Resistance: These O-Rings can withstand high temperatures, making them suitable for use in applications where temperature extremes are common.

3. Mechanical Load Capacity: They have high mechanical load capacity, allowing them to withstand the pressure exerted on seals in various industrial applications.

4. Long Service Life: Kalrez AS568A O-Rings have a long service life due to their excellent resistance to wear and tear.

1. Cost: These O-Rings are more expensive than standard viton or nitrile O-Rings due to their high-performance properties.

2. Limited Flexibility: Compared to standard O-Rings, Kalrez AS568A O-Rings have limited flexibility, which may make them less suitable for applications where there is significant movement or vibration.

3. Installation Challenges: Due to their high-performance properties, Kalrez AS568A O-Rings may require special tools and techniques for installation, which can add to the overall cost and complexity of the project.

Kalrez AS568A 120 Compound 4079 O-Rings offer several advantages, including excellent chemical resistance, high temperature resistance, high mechanical load capacity, and long service life. However, they also come with disadvantages such as higher cost, limited flexibility, and installation challenges.

If you are working in an application where exposure to harsh chemicals, high temperatures, and mechanical loads is common, then Kalrez AS568A 120 Compound 4079 O-Rings may be the best choice. However, if cost is a concern or if the application involves significant movement or vibration, then standard viton or nitrile O-Rings may be a more cost-effective alternative. It is essential to carefully consider the application requirements and weigh the advantages and disadvantages before making a purchase decision.

Details:

Kalrez - AS-568A k#120 compound: 4079 o-ring new.

specifications compressorshow:

• brand: Kalrez
• mpn: As-568a
• part type: Ring Compound
• country of origin: United States

offer compressorshow:

• in stock #: 5
• availability: in stock
• options: ship-to-home
• sold #: 13
• started: may 29, 2026
• prices: $13.91–$44.47
• item condition:
  • New – Open box
  • New

general compressorshow:

• category: Business & Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Blowers > Air Compressors

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• service: usps first class, ups next day air saver
• class: standard, one-day
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• # reviews: 17841
• city: gurnee, illinois
• rating: 99.6%

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• time: 30 days
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• policy: returns accepted