All categories
Featured selections
Trade Assurance
Buyer Central
Help Center
Get the app
Become a supplier

Rubber o ring

(52815 products available)

About rubber o ring

Understanding Rubber O Rings

Rubber O rings are a fundamental component in numerous sealing applications. These simple yet versatile ring rubber seals are designed to prevent the escape of vapors, fluids, or other substances through joint connections. Their effectiveness is attributed to their looped shape and the resilience of the material from which they are made.

Types and Materials

There is a variety of materials used for O rings, each with its unique properties. Nitrile rubber O rings, also known as NBR 70, are widely recognized for their balance of performance and cost-effectiveness. For applications requiring higher temperature resistance, silicone O rings are preferred due to their thermal stability. In the most demanding environments, where chemicals and extreme temperatures are present, FFKM perfluoroelastomer O rings are the material of choice for their exceptional chemical resistance.

Applications and Features

The applications of O rings are diverse, ranging from simple household fixtures to complex industrial machinery. NBR ring variants are commonly found in automotive fuel handling systems, while silicone for O rings is often utilized in food and beverage equipment due to its non-toxic and heat-resistant nature. In the aerospace industry, the hydrogenated nitrile O ring is valued for its durability and resistance to harsh conditions.

Advantages of Rubber O Rings

The advantages of using rubber O rings are manifold. Their elasticity allows them to maintain a tight seal despite variations in temperature and pressure. The simplicity of their design facilitates ease of installation and maintenance. Moreover, the rubber O ring is cost-effective, making it an economical choice for a wide range of sealing needs.

Selection Considerations

When selecting an O ring, it is crucial to consider the application's specific requirements. Factors such as compatibility with the contact substance, operating temperature range, and pressure must be taken into account. For instance, FFKM O rings are suitable for extreme conditions, whereas nitrile O ring selections are better for general-purpose applications.


In conclusion, rubber O rings are indispensable in creating secure seals in countless applications. hosts a comprehensive assortment of O rings to cater to various industrial and commercial needs. By understanding the distinct types and their respective features, buyers can make informed decisions to procure the appropriate ring rubber ring for their specific sealing challenges.