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Kuraray Plastics Co., Ltd.

Japanese manufacturer of rubber and plastic hoses, molded products, laminate products, canvas/tents, and thermoplastic elastomer compounds, founded in 1905 and part of the Kuraray Group.

Last updated September 16, 2026

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Overview

Kuraray Plastics Co., Ltd. is a Japanese company based in Osaka that manufactures and sells rubber and plastic hoses and various molded products, laminate products, canvas and tents, and Ernestone thermoplastic elastomer compounds and molded products. It traces its origin to 1905, when Kinjiro Abe started Kakuitsu Gomo Seisakusho as a sole proprietorship, and was incorporated as Kakuitsu Rubber Co., Ltd. in 1934. Kuraray Co., Ltd. (then Kurashiki Rayon) joined its management in 1943, and the company changed its name to Kuraray Plastics Co., Ltd. in 1965. It is a Kuraray Group company.

History

Kuraray Plastics traces its origin to 1905, when Kakuitsu Gomo Seisakusho was started as a sole proprietorship by Kinjiro Abe. In 1906 it began manufacturing rubber products in Nishinari-gun, Osaka (present-day Fukushima-ku, Osaka), and in 1910 it began producing and selling bicycle tires. In 1934 it was reorganized as Kakuitsu Rubber Co., Ltd. In 1943 Kurashiki Rayon Co., Ltd. (now Kuraray Co., Ltd.) joined its management. In 1950 it began producing polyvinyl chloride sheets, and in 1956 it began producing and selling Japan's first butyl rubber tire tube, the Kakuitsu Butyl Tube. In 1965 the company changed its name to Kuraray Plastics Co., Ltd. In 1966 it relocated its factory from Fukushima-ku, Osaka to Tarui-cho, Fuwa-gun, Gifu Prefecture, completing the Ibuki Plant, and began producing and selling tarpaulin "Cluster" products. In 1968 it began producing and selling Loop Hose AD-4. In 1986 it began producing and selling CV (continuous vulcanization) rubber products. In 1988 it established subsidiary Ibuki Kosan Co., Ltd. in Tarui-cho, Fuwa-gun, Gifu Prefecture. In 1997 it began producing and selling the metal drainage pavement water conduit "Cladrain"; in 1998 the "Septon" compound business was transferred from Kuraray Co., Ltd.; and in 2000 it began producing and selling the resin water conduit "Cladrain P". It obtained ISO9001 certification in 2001 and ISO14001 certification in 2003. It marked its 100th anniversary in 2005. In 2011 the heavy fabric (canvas/tent) business was transferred from Kuraray Co., Ltd. and overseas production of screens began. In 2012 the compound brand was changed from "Septon Compound" to "Ernestone". In 2015 it absorbed and merged subsidiary Ibuki Kosan Co., Ltd. and marked its 110th anniversary. In 2016 the Ibuki Plant marked its 50th anniversary. In 2020 the Fukuoka office was relocated, and in 2021 the Tokyo office was relocated.

Products and positioning

A Kuraray Group company contributing to future society through evolution and creation, based on over 100 years of experience and original technologies centered on rubber and plastics.

  • General delivery/suction hose

    Suitable for suction and pressure feeding of water, mud, slurry, etc.; compliant with the Food Sanitation Act and positive list.

  • Food hose

    Compliant with the Food Sanitation Act and positive list.

  • Oil-resistant hose

    Suitable for fluids mixed with oil.

  • Pressure-resistant/abrasion-resistant hose

    With excellent pressure and abrasion resistance, suitable for harsh environments such as civil engineering sites.

  • Heat-resistant/abrasion-resistant hose

    Wide lineup from φ25 to φ300; achieves high durability for use in harsh environments.

  • Antistatic hose

    Suitable for conveying powder and pellets.

  • Air conditioning/dust collection hose

    For air supply and exhaust; lightweight and highly flexible.

  • PVC-free hose

    PVC-free, considering environment and safety.

  • Water supply hose

    Suitable for lay-flat and suction/drainage applications.

  • Steam hose

    Suitable for conveying high-temperature, high-pressure steam.

  • Air/cutting hose

    Suitable for conveying industrial air, etc.

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