Caustic Soda Prills Supplier In Chennai Caustic Soda Prills Supplier Near By #Chennai #Madhavaram #Poonamalle #Ambattur #Tambaram #Tamilnadu Caustic soda pearls (sodium hydroxide or lye) are small, solid spheres used widely in manufacturing, soapmaking, and heavy cleaning. They dissolve quickly in water, making them ideal for precise measuring, drain unblocking, petroleum refining, and processing paper or textiles.