Kolkata-based Himadri Speciality Chemical on Wednesday announced the commencement of commercial operations of its newly commissioned 70,000 metric tonnes per annum (MTPA) speciality carbon black line at its manufacturing facility in Mahistikry, Hooghly, West Bengal.

With the commissioning of the brownfield expansion, the company’s total carbon black manufacturing capacity has increased to 2,50,000 MTPA. Of this, 1,30,000 MTPA is SPECIALITY CARBON BLACK capacity at the Mahistikry site, making it the world’s largest single-location speciality carbon black manufacturing facility, the company said in a release.

“With this scale, the Mahistikry facility becomes the world’s largest single location speciality carbon black manufacturing site,” the release noted.

As per the company, the expansion marks a significant step in the company’s growth strategy and strengthens its position in the global speciality carbon black market. The enhanced capacity is expected to support rising demand from high-value, performance-driven applications across plastics, inks, paints, coatings and other specialised segments.

“The expansion substantially strengthens the Company’s speciality portfolio and enhances its ability to serve high-value, performance-driven applications across plastics, inks, paints, coatings, and other niche segments,” the release added. 

Anurag Choudhary, CMD and CEO, Himadri Speciality Chemical, said the commissioning marks the next phase of growth in the company’s advanced carbon materials journey. He noted that the increased scale would position the company strongly to capture growing global demand in premium, application-specific segments.

“The commencement of commercial operations of our 70,000 MTPA Speciality Carbon Black line at Mahistikry marks the beginning of the next phase of growth in our advanced carbon materials journey. With this expansion, Mahistikry becomes the world’s largest single-location Speciality Carbon Black facility, with a capacity of 1,30,000 MTPA,” he said.

“We remain committed to disciplined expansion, operational excellence, sustainability, and delivering high-performance solutions that create long-term value for all stakeholders,” he added.

According to the company, the project incorporates advanced process technologies, state-of-the-art quality control systems, energy-efficient operations and scalable infrastructure to ensure consistent production of premium grades for global customers.

Ahead of the announcement, shares of Himadri Speciality Chemical ended 0.29% lower at ₹488.75 on the BSE, with a market capitalisation of ₹24,657 crore.