[Class : 17] Pvc Pipes And Plastic Pipes, Flexible Pipes, Rubber, Plastics In Extruded From For Use In Manufacturer; Packing, Stopping And Insulating Materials; Flexible Pipes, Plastic Rods, Plastic Sheets, Tubes, Profiles & Components Casings Of Rubber For Pipes, Casings Of Synthetic Rubber For Pipes, Flexible Plastic Pipes For Plumbing Use, Hose Pipes Made Of Plastic, Quilted Jackets (Non Metallic ) For Insulating Hot Water Tanks, Closed Cell Insulation Used In Chilled Water Tanks, Insulating Jackets For Water Tanks Being Included In Class – 17.