Since 1981, the world’s largest plastics recycling plant has been located in Troy, Alabama. Now, the results of KW Plastics’ recycling efforts are in households all around the world.     Most consumers have probably used products from brands like Estee Lauder, Sherwin Williams and Toyota that contain resin from recycled plastics produced from KW Plastics.     Dennis Pilton, a reporter with AL.com , said KW Plastics in Troy takes in millions of pounds of used plastic container