Chemplast Sanmar Limited manufactures and markets specialty chemicals in India. The company offers specialty paste PVC resins; custom manufactured chemicals, such as organic chemicals, and phyto chemicals comprising colchicine and thiocolchicoside; chlorochemicals, such as caustic chlor, solvents, and refrigerant gas; industrial salt; and hydrogen peroxide. It offers specialty paste PVC resins and custom manufactured chemicals for agro-chemical, pharmaceutical, and fine chemicals sectors. The company was formerly known as Chemicals and Plastics India Limited and changed its name to Chemplast Sanmar Limited in September 1995. The company was founded in 1967 and is based in Chennai, India. Chemplast Sanmar Limited is a subsidiary of Sanmar Holdings Limited.