[Class : 17] Plastics And Resins In Extruded Form For Use In Manufacture; Packing, Stopping And Insulating Materials; Flexible Pipes, Tubes And Hoses, Not Of Metal; Non Conducting Materials For Retaining Heat; Compositions To Prevent The Radiation Of Heat; Plastic Substances, Semi Processed; Threads Of Plastic For Soldering / Soldering Threads Of Plastic; Threads Of Plastic Materials, Other Than For Textile Use; Semi Processed Thermoplastic Polymer Resins For Use In Manufacture; Semi Processed Synthetic Polymer Resins; Electrical, Thermal And Acoustic Insulating Materials And Plastics For Use In Manufacture In The Form Of Sheets, Blocks And Rods, As Well As Certain Goods Made Of Rubber, Gutta Percha, Gum, Asbestos, Mica Or Substitutes Therefor.