Neon Sign Boards are electric signs lit by luminous tubes that contain neon gas. Neon or other inert gases at a low pressure. When a high voltage is applied the gas glows brightly.Neon Sign Boards are produced by craft of bending glass tubes in to shapes by a skilled workers known as glass bender. Tubes are generally available in the range of 6-15mm. With 1mm wall thickness which are available in variety of colors. The cold cathode electrode is welded to each end of the tube has it is finish.