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May 22, 2019 12:00 AM

World's largest PU wind turbine blade ready for installation

Jane Ho
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    Zhuzhou, Hunan – Zhuzhou Times New Material Technology has delivered what it claims is the world's longest wind turbine blade made with polyurethane.

    The blade weighs 13.7T. Installing the turbine will start in July 2019, said the local government of Zhuzhou.

    The company said that polyurethane has a number of advantages over epoxy resin which is traditionally used for turbine blades.

    In addition, compared with epoxies polyurethanes have better mechanical performance, and higher fatigue resistance. Moreover, the materials process faster and more easily than epoxies and have better adhesion to carbon fibre reinforcement.

    TMT claims to be China's third largest wind turbine blade maker. Sales were CNY 2.3bn ($334 m) in 2018. This is a 13% increase on 2017. The company added that gross profit margin in the business is around 8.3%.

    China is the world's largest wind turbine maker, outstripping the US. China is expected to have installed base of 210 GW by 2020. The country is installing around 20 GW/year additional capacity.

    Currency Conversion: xe.com

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