Himadri Speciality Chemical Ltd (HSCL) announced that it has commenced commercial operations of a newly commissioned 70,000 MTPA Speciality Carbon Black line at its manufacturing facility in Mahistikry, Hooghly, West Bengal, bringing the site's total speciality carbon black capacity to 1,30,000 MTPA and making it the world's largest single-location speciality carbon black manufacturing facility.

The brownfield expansion raises HSCL's overall carbon black manufacturing capacity to 2,50,000 MTPA. The new line is designed to serve high-value applications across plastics, inks, paints, coatings, and other specialised segments, and incorporates advanced process technologies, energy-efficient operations, and scalable infrastructure.

Commenting on the development, Anurag Choudhary, CMD and CEO, Himadri Speciality Chemical Ltd said: "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. This milestone significantly enhances our production capabilities and positions us strongly to capture rising global demand in premium, application-specific segments such as plastics, inks, paints, coatings, and other specialized industries. We remain committed to disciplined expansion, operational excellence, sustainability, and delivering high-performance solutions that create long-term value for all stakeholders."

According to the company, the additional capacity is expected to contribute to revenue growth and improve the company's margin profile over the medium term. HSCL exports to 56 countries and operates eight zero-liquid discharge manufacturing facilities, sourcing all of its electrical energy needs from in-house clean power.