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Isola-Gruppe

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Isola-Gruppe is a German-founded manufacturer of copper-clad glass-fibre base materials for printed circuit boards, now headquartered in Chandler, Arizona.

Last updated September 26, 2026

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Overview

Isola-Gruppe is a manufacturer of base materials for printed circuit boards (PCBs), headquartered in Birkesdorf, a district of Düren in North Rhine-Westphalia, Germany, according to German Wikipedia. The company is described as the world market leader for copper-clad, glass-fibre-reinforced base materials (glass-epoxy laminates) used in PCB production. In 2007 it reported revenue of 500 million euros with 2,400 employees worldwide. The product range includes standard FR-4 laminates, halogen-free, high-Tg, thermostable and high-frequency laminates, as well as prepregs. The company was founded in 1912 in Düren as Continentale Isola Werke AG. After Rütgerswerke AG took a stake in 1954, base material production with copper-clad hard paper laminates began in 1956. In 1963 production was expanded to include copper-clad epoxy resin glass fabric laminate manufacturing. From 1984 several subsidiaries were founded, the first being Isola France. In 1992 the production of high-performance base materials began. In 2004 the Texas Pacific Group and Redfern Partners from the USA acquired Isola AG, and the company headquarters has since been located in the USA at Chandler (Phoenix, Arizona). The Isola Group is represented in Europe, Asia and North America. European locations include Birkesdorf (Germany), Glasgow (United Kingdom) and Prato (Italy). Asian locations include Kowloon (Hong Kong), Suzhou (Jiangsu, China), Huizhou City (Guangdong Province, China), Kuan Yin Hsiang Taoyuan (Taiwan), Yangmei Taoyuan (Taiwan) and Singapore. North American locations include Chandler and Ridgeway (South Carolina, USA).

History

The company was founded in 1912 in Düren as Continentale Isola Werke AG. In 1954, Rütgerswerke AG acquired a stake in Isola. In 1956, base material production began with copper-clad hard paper laminates. In 1963, production was expanded to include copper-clad epoxy resin glass fabric laminate manufacturing. From 1984, several subsidiaries were founded, the first being Isola France. In 1992, the production of high-performance base materials began. In 2004, the Texas Pacific Group and Redfern Partners from the USA acquired Isola AG, and the company headquarters has since been located in the USA at Chandler (Phoenix, Arizona).

  • 2007

    Reported revenue of 500 million euros with 2,400 employees worldwide.

  • 2004

    Texas Pacific Group and Redfern Partners acquired Isola AG; headquarters moved to Chandler, Arizona, USA.

  • 1992

    Production of high-performance base materials began.

  • 1984

    Several subsidiaries were founded, the first being Isola France.

  • 1963

    Production expanded to include copper-clad epoxy resin glass fabric laminate manufacturing.

  • 1956

    Base material production began with copper-clad hard paper laminates.

  • 1954

    Rütgerswerke AG acquired a stake in Isola.

  • 1912

    Founded in Düren as Continentale Isola Werke AG.

Products and positioning

World market leader for copper-clad, glass-fibre-reinforced base materials (glass-epoxy laminates) for printed circuit board production.

  • Standard FR-4 laminates

  • Halogen-free laminates

  • High-Tg laminates

  • Thermostable laminates

  • High-frequency laminates

  • Prepregs

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