New fumed silica plant by Evonik and Wynca goes on stream

The joint venture between Evonik and the Chinese company Wynca – Evonik Wynca (Zhenjiang) Silicon Material is starting-up of its new fumed silica plant.

More than 150 participants Image source: Evonik.

Located in the Zhenjiang New Material Industry Park in Jiangsu province, the plant is Evonik’s first fumed silica production site in China.

The joint venture will combine Evonik’s product technology with Wynca’s silicone industry chain, producing high-value fumed silica products through the comprehensive use of monomer by-products, methyltrichlorosilane and chlorosilane from Wynca. Meanwhile, the by-product hydrochloric acid will also be fully utilised as a raw material for Wynca Zhenjiang Site.

Circular economy

This production loop is expected to contribute to synergies among silicone monomer, chlorosilane and fumed silica production, and ultimately to a circular economy. With this new joint venture, Evonik regards itself to be well positioned to build a complete global supply chain of fumed silica for customers in China and Asia.

Dr. Claudine Mollenkopf, head of Evonik Silica business line said: “I am excited to witness the cooperation between Evonik and the Chinese partner Wynca. The joint venture will be a strong complement to Evonik’s global presence in fumed silica. We expect win-win results through leveraging the expertise of both parties in silicon materials.”

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