The sealing performance during initial tightening can be maintained for a long period (10 to 20 years)!
Dainaga's "Super Cork," which utilizes extensive experience and technology in cork manufacturing. Here, we introduce its characteristics regarding sealing performance. 【Characteristics】 <Sealing Performance> Despite stress relaxation occurring, Super Cork can maintain its sealing performance for a long period (10 to 20 years) after initial tightening. This is due to the unique property of cork, where the adhesion to the flange surface increases over time and with heating. *For more details, please download the PDF or feel free to contact us.
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basic information
<What is Super Cork> It is a cork with synthetic rubber that excels in oil resistance, heat resistance, impermeability, friction, and cushioning properties, as well as long-term adhesion sealing performance. *For more details, please download the PDF or feel free to contact us.*
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Applications/Examples of results
【Applications】 ■ Gaskets for automobiles ■ Gaskets for gas appliances ■ Gaskets for heavy electrical equipment ■ Gaskets for general industry ■ Friction materials *For more details, please download the PDF or feel free to contact us.
Detailed information
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Change in stress on the flange surface Change in stress on the flange surface at room temperature and 70°C
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Company information
Seiei Co., Ltd. specializes in contract processing of metals, resins, and rubber, as well as Thomson die-cutting processing. We accept orders with ultra-short delivery times, starting from just one piece, thanks to our extensive network! Additionally, we can handle everything from production to on-site construction, and we have a proven track record with the Toyota Group and major general contractors. Please feel free to contact us with any inquiries.