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  6. A thorough explanation of the ironclad rules for "material selection" of O-rings.

A thorough explanation of the ironclad rules for "material selection" of O-rings.

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last updated:Mar 02, 2026

ダイコー 本社
ダイコー 本社
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The O-ring is the "key" that protects the heart of the machine. A thorough explanation of the ironclad rules for "material selection" that determines the lifespan of equipment.

Oil leaked from the gaps in the machine, causing the line to stop." "The adjustment screw of the precision equipment became loose, resulting in unstable quality." When we delve into the causes of these serious troubles, we often find that they can be traced back to a single faulty "O-ring." O-rings are extremely important mechanical components that govern the "sealing (leak prevention)" and "operability (friction resistance)" of various machines, ranging from the aerospace industry to semiconductor manufacturing equipment, and even everyday gas appliances. Despite their simple circular shape, O-rings are designed based on advanced material chemistry and physical laws. Choosing the wrong material can lead to a loss of function in an instant, potentially putting the entire expensive equipment at risk. This article will explain the true importance of the O-ring as a component and the essential principles of "material selection" to protect machinery. *For more details on the column, please refer to the related links. For further information, feel free to download the PDF or contact us directly.

    RubberFood and pharmaceutical standard seals and packing products
Oリング?.png

A thorough explanation of the ironclad rules for "material selection" of O-rings.

Oリング?.png
Oリング?.png
  • Related Link - https://www.daiko-jp.com/media/useful/a241
  • Special site - Product/service details - https://pr.mono.ipros.com/daiko/product/

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DAIKO Product Information Comprehensive Catalog 2025

DAIKO Product Information Comprehensive Catalog 2025

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ダイコー

ダイコー 本社

Building materials, supplies and fixtures

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Daiko is a manufacturer specialized in processing various industrial products, including gaskets and packing. With industry-leading processing equipment, including one of Japan's largest water jet cutting machines, and a wide range of materials such as joint sheets, rubber, resin, and metal, we meet our customers' diverse needs. Leveraging the technology and experience we have cultivated over 50 years, we provide high-quality, short-lead-time, and low-cost products to contribute to solving our customers' challenges. To respond to our customers' varied needs, Daiko's production bases are equipped with various processing facilities. Among them, the water jet cutting machines, with a total of four installed at our Osaka headquarters and Tokyo branch, boast one of the largest scales in the country. The maximum processing range is W4,000 × L5,500 mm, allowing for the high-precision manufacturing of large-diameter gaskets and packing. By maximizing material efficiency, we achieve the provision of 'high quality at low cost.'

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