The function and application field of Heat Shrinkable Tube

Heat Shrinkable Tube is a new type of identification tube developed in recent years. With the development of science and technology, Heat Shrinkable Tube is widely used as cable identification in electronics, electricity, electrical appliances, computers, communications, aerospace, locomotives, wiring harnesses, communications, Wiring and other fields.

The Heat Shrinkable Tube can be used as an identification mark for the wire and cable and its insulated core to ensure the correct connection, installation and safe operation of the wire and cable; the maintenance is also more convenient.
The conventional pvc number tube can be moved, but the heat-shrinkable tube can be tightly hugged on the cable after being heated and shrunk, which can make the cable mark more firm and more beautiful. The heat-shrinkable tube has a temperature resistance of 125 degrees, which can meet the requirements for heat-shrinkable tubes in special environments.
Before the printing technology of heat-shrinkable tubes appeared, most of the traditional marking methods of electronic products used relatively backward manual marking technology. Manual marking technology not only affects the appearance of products, but also seriously affects production efficiency. The font size, orderliness and clarity of handwritten signs are not consistent. In addition, the quality of methyl violet solution and white marking paint for handwriting is greatly affected by the preparation materials and preparation ratio, and its quality directly affects the durability of handwriting. For example, the product number and production date on the metal product label are usually typed with fonts, and only one font can be used to type one character at a time. Therefore, it is difficult to ensure that the spacing, height, and typing depth between characters are consistent by hand. With the continuous improvement of product internal quality and reliability, the requirements for product appearance marking are also getting higher and higher. The marking objects of electronic equipment mainly include electrical connectors, cables and wires. Therefore, in order to change the relatively backward marking process technology, research on Heat Shrinkable Tube printing technology has been carried out. Through this process research and development, the quality of product marking has been improved, and the production efficiency has also been improved. It can be described as the best of both worlds.
The mainstream printing process of heat-shrinkable tubes is thermal transfer printing technology. Thermal transfer printing uses the heat generated by the current passing through the heating material to make the printing medium close to the surface of the heating material colored after being heated, thereby printing out characters or graphics. Printing method; The medium is a special thermal transfer film.
Thermal transfer printing has the following technical characteristics.
1. The output quality is high; when the thermal printer is printing, due to the close contact between the thermal print head and the medium and the short heating time, it can obtain extremely clear marks. Compared with the inkjet printer with the same resolution, the thermal printer output Graphics should be clearer.
2. Good media applicability and good imprint durability; thermal transfer printing technology has almost no requirements for media, from ordinary A4 paper to copy paper, from plastic film to Heat Shrinkable Tube, thermal transfer printing is applicable, and the obtained manuscript The image has the characteristics of no fading, no water seepage and no diffusion, which is unmatched by laser and inkjet printers.
3. Weather resistance and resistance to various harsh environments; the key component of the thermal printer is the thermal printing head, which is a solid-state device made by IC technology, and it is shock-resistant and vibration-resistant, which greatly improves the stability of the thermal printer.