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The 20x30x7 oil seal is typically made from high-quality materials such as Nitrile Butadiene Rubber (NBR), a popular choice due to its excellent resistance to oils and fuels
20x30x7 oil seal. The design incorporates a metal case for added strength and stability, ensuring the seal can withstand the pressures and temperatures encountered in various industrial environments.

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The percentage of an oil seal refers to its ability to effectively prevent leakage. A higher percentage indicates a better sealing capacity, with 100% being the ideal value. However, in reality, achieving a perfect seal is often challenging. Therefore, oil seals with percentages ranging from 25% to 35% are commonly used in applications where a high level of sealing performance is required.
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4. Manufacturer and Brand The reputation of the manufacturer can also affect prices. Established brands with a track record of quality and reliability might command higher prices compared to lesser-known manufacturers. However, investing in reputable brands may provide better long-term value due to improved performance and reduced maintenance costs.
hydraulic cylinder oil seal price
