US' Cabot Sanmar to expand fumed silica capacity in India

Cabot Sanmar Limited, a joint venture between Cabot Corporation, US, and The Sanmar Group, India, announced plans to expand its fumed silica manufacturing capacity to support growing customer demand in India.

During the ceremony held in Mettur, salem district, on March 31, 2026, Vijay Sankar, Chairman of The Sanmar Group, and Sean Keohane, President and CEO of Cabot Corporation, unveiled the foundation stone for the new unit. The brownfield expansion represents an investment of ₹220 crore (~$25 million) and is expected to be commissioned in the fourth quarter of calendar year 2027.

Vijay Sankar, Chairman, The Sanmar Group, said “This has been a journey of trust and consistent value creation. This milestone year marks 30 years of this partnership, exemplifying Sanmar’s track record of successful joint venture stewardship.”

“We are proud of the strong partnership we have built with The Sanmar Group and the meaningful impact our joint efforts have made over the past 30 years,” Sean Keohane, President and CEO, Cabot Corporation, said. “This expansion reflects our shared commitment to collaboration, innovation, and delivering high-quality fumed silica to support India’s growing demand.”

“Cabot Sanmar has been a reliable supply partner for diverse industries in India. With this investment, Cabot Sanmar will expand the domestic availability of a critical ingredient that goes into the making of products we use every day,” Krishna Kumar Rangachari, PhD, Director, Cabot Sanmar Limited, said.

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ALCHEMPro News Desk (JP)