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WACKER and Royal Tech CSP Sign Partnership Agreement

WACKER and Royal Tech CSP Sign Partnership Agreement for New Heat Transfer Medium for Use in Solar Thermal Power Plants in China

Munich and Shanghai, June 29, 2017 – Munich-based Wacker Chemie AG has intensified its cooperation with Royal Tech CSP Limited of China, a specialist for highly efficient solar thermal systems that are based on CSP (concentrated solar power) technologies. The two companies signed an agreement to this effect. Under its terms, WACKER will supply its newly developed HELISOL® silicone fluid to Royal Tech, its exclusive partner in China. Royal Tech uses the silicone fluid as a heat-transfer medium in its solar power plants. HELISOL® can withstand thermal stress of up to

425 °C for a long period of time and its viscosity remains low even at -40 °C. In combination with Royal Tech’s parabolic trough collectors, the fluid enables efficiency levels that are not possible with conven- tional heat-transfer fluids. At present, Royal Tech is building a 50- megawatt solar power plant in the city of Yumen in western China.

Auguste Willems, member of WACKER’s Executive Board, under- scored the importance of the new partnership: “As a leading poly- silicon manufacturer, we have become a key player in the global expansion of solar power. With our newly developed silicone fluid for solar power plants, we are strengthening our portfolio in the renew- able-energy field and, at the same time, are supporting initiatives to cut carbon dioxide emissions. Our partnership with Royal Tech will contribute to significantly enhancing the efficiency of solar power plants and, in turn, bolster the market position of our two companies in the highly promising market for high-performance CSP systems.”

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