Profile: Chicago Gasket Co. specializes in PTFE resin processing and fabrication. Our machining facilities include automatic screw machines, turret lathes, engine lathes, drill presses, centerless grinders, punch presses and milling machines. Our machined component includes a wide variety of packings, gaskets, seals, washers, insulators, bushings and threaded fittings. Our PTFE O-Rings are ideal for heat and chemical resistance.