Mumbai-based, polymer processing firm, EMMBI Polyarns plans to raise Rs 45-crore through an initial share sale next month, the proceeds of which will be used to augment its production capacity, a top official said. The IPO will launch in January 2010. The company plans to use its AquaSave brand to launch a range of products such as flexible water tanks, rain water harvesting systems, canal liners, pond liners and geosynthetics.