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- Microfiber Towels For manual drying, high-quality microfiber towels are essential. They absorb moisture better than traditional towels and are gentle on paint, reducing the risk of scratches.


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<a href=https://www.dycarwasher.com/products><strong style=font-size:28px><p>- Microfiber Towels For manual drying, high-quality microfiber towels are essential</strong></a>. They absorb moisture better than traditional towels and are gentle on paint, reducing the risk of scratches.</p><br><a href=https://www.dycarwasher.com/products><strong style=font-size:28px>equipment used in car wash business</strong></a><br><br><img src=https://www.dycarwasher.com/images/9_1723104807215.webp alt=equipment used in car wash business style=margin:0 auto;display:flex;justify-content:center;width: 50%;height: 50%;><br>
2025-08-14 19:17
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    Oil seals are widely used as sealing devices for machines.

    JTEKT's oil seals are described in our catalog, Oil Seals & O-Rings.
    However, the catalog uses a large number of technical terms and is very long, so many people seem to have trouble handling it.

    Therefore, this series of columns will summarize the following in order:
    • The structure, functions, and types of oil seals
    • How to select the right oil seal
    • Handling of seals, and causes and countermeasures for oil seal failure

    Operating temperatures for engine oil seals (see Fig. 14.11 and cross-section of lip seal with garter spring in Fig. 14.22) vary widely, depending on engine design and location within the engine. Typically, the rear crankshaft seal is subjected to much higher temperatures than the front seal. Oil sump temperatures vary considerably, depending on provisions for oil cooling. This allows use of hydrogenated nitrile (HNBR), silicone, or acrylic elastomers for some seals in relatively low-temperature environments (120–140°C or 250–284°F). Standard fluoroelastomers (FKM), bisphenol-cured VDF/HFP/TFE terpolymers with 68–69% fluorine content, perform well in oil service up to about 160°C (320°F). More resistant fluoroelastomers are necessary for reliable long-term performance in more severe environments.