The month of September saw chemical prices stay range bound on a monthly basis. From our tracking universe, Caustic Soda Lye registered the highest price spurt of 9% MoM exhibiting a good recovery post a 4% decline in August 2025. This has been on account of some volume improvement in key industries such as aluminium, paper and detergent industries. The global caustic soda market has also exhibited considerable shortage predominantly driven by reduced demand for polyvinyl chloride (PVC) due to a slowdown in construction activity. Heavy soda ash was down 14% MoM last month and was down 13% again MoM...