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The cost of O-ring seals may vary depending on factors such as material, size, and production process.

The material selection of O-rings is of great significance for their sealing performance and service life. The performance of the material directly affects the performance of the sealing ring. For example, nitrile rubber (NBR) has good oil resistance and is suitable for various environments such as oil and grease; Fluorine rubber (FKM) is resistant to high temperature, oil, and corrosion, suitable for environments such as high temperature, strong acids and alkalis; Silicone rubber (SIL) is resistant to high temperature and oxidation, suitable for environments such as high temperature and vacuum.

The manufacturing process of O-rings also affects their cost. The process of manufacturing O-rings includes steps such as batching, rubber mixing, and vulcanization, and the quality and efficiency of these steps directly affect the performance and cost of O-rings. In addition, some complex O-rings require steps such as mold design and injection molding, which can also increase production costs.

Overall, the cost of O-rings needs to be evaluated based on their specific usage environment and performance requirements. If you need more specific cost information, it is recommended to consult relevant industrial parts suppliers.