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NBR rubber washer 12.4x21.9x3.5

NBR rubber washer 12.4x21.9x3.5
NBR rubber washer 12.4x21.9x3.5
NBR rubber washer 12.4x21.9x3.5
NBR rubber washer 12.4x21.9x3.5
NBR rubber washer 12.4x21.9x3.5
NBR rubber washer 12.4x21.9x3.5
NBR rubber washer 12.4x21.9x3.5
NBR rubber washer 12.4x21.9x3.5
NBR rubber washer 12.4x21.9x3.5
NBR rubber washer 12.4x21.9x3.5
NBR rubber washer 12.4x21.9x3.5
  • Stock: In Stock
  • Model: REP12.4x21.9x3.5

The NBR rubber seal 12.4x21.9x3.5 is a circular seal made from NBR (Nitrile Butadiene Rubber), with the following specific dimensions:

• Outer Diameter: 21.9mm

• Inner Diameter: 12.4mm

• Thickness: 3.5mm

With excellent resistance to oil, chemicals, and moisture, this NBR seal is commonly used in industrial, automotive, and mechanical applications, helping to prevent the leakage of liquids and gases. The NBR 12.4x21.9x3.5 seal provides reliable and durable sealing performance in various working conditions.


The NBR rubber seal 12.4x21.9x3.5 is a circular seal constructed from NBR (Nitrile Butadiene Rubber), with specific dimensions as follows:

• Outer Diameter: 21.9mm

• Inner Diameter: 12.4mm

• Thickness: 3.5mm

Key Features of NBR Rubber Seal 12.4x21.9x3.5:

1. Oil and Chemical Resistance: NBR rubber is well-known for its ability to resist various oils, fuels, and other industrial chemicals. This property enables the seal to function effectively in environments frequently exposed to corrosive liquids without damage.

2. Good Temperature Resistance: The NBR seal can operate within a temperature range of -30°C to 100°C. This allows the seal to maintain stable sealing performance in a variety of environmental conditions, from cold to hot.

3. Leak and Seal Resistance: With appropriate design and materials, the NBR 12.4x21.9x3.5 seal effectively prevents leakage, protecting joints and preventing the ingress of liquids and gases, thus enhancing the performance of equipment.

4. High Durability and Longevity: The seal is made from high-durability material, capable of withstanding pressure and impact without deforming or breaking. This characteristic gives the NBR 12.4x21.9x3.5 seal a long lifespan, minimizing maintenance and replacement costs.

5. Good Elasticity: The NBR seal has high elasticity, allowing it to be easily installed in various gaps and joints without excessive force. This elasticity helps the seal maintain effective sealing performance even when compressed for extended periods.

Common Applications of NBR Rubber Seal 12.4x21.9x3.5:

• Industrial Sector: NBR seals are commonly used in industrial machinery, piping systems, and processing equipment, where preventing the leakage of liquids and gases is critical.

• Automotive Industry: In the automotive sector, NBR seals are used in components such as oil pumps, fuel lines, and cooling systems. Their resistance to oil and chemicals ensures they can withstand harsh operating conditions.

• Household Appliances: NBR seals can also be found in household appliances such as washing machines, dishwashers, and air compressors, where preventing leaks is essential for performance and safety.

Benefits and Efficiency: 

The NBR rubber seal 12.4x21.9x3.5 offers reliable sealing performance, protecting joints and effectively preventing leaks. Using this seal not only helps reduce maintenance and replacement costs but also enhances the operational efficiency of the system in which it is employed.

In Summary: The NBR rubber seal 12.4x21.9x3.5 is an ideal sealing solution for various applications in industrial, automotive, and household environments, particularly in settings that require resistance to oil, chemicals, and good heat resistance. With high durability and stable sealing performance, this product plays a vital role in enhancing the efficiency and longevity of equipment and systems.

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