(1) Data: Flexible lamp-box cloth, which is used as the base material of lamp-box nowadays, has OTRON, 3M, KORIB, SANTAKBU and KOREAN lamp-box cloth on the domestic market. The main raw material is polyvinyl chloride (PCE) surface layer with longitude and latitude, which is suitable for the manufacture of outdoor lamp-box for various purposes. Its various indicators are different, and the price is also different. When choosing the indicators, we should grasp the detailed function and consider the applicability of the indicators. For example, the PC material used for thermal forming is suitable for outdoor light box. It has strong impact resistance, high temperature resistance and is necessary for high-grade light box. The slot type information is a special aluminium side panel imported from the United States. It has 15 colors and 3 specifications. It can be used for various types of fonts. It can be built-in light source. In addition, the luminous materials at night, such as fluorescent paste and cold film, have been used in the market.
(2) There are various manufacturing processes for outdoor advertisements, which are developing rapidly, except for neon lights, printing, stickers and hand-painted road signs. Introduced technologies have been widely used in recent years:
1. Thermal transfer printing technology: In flexible lamp box cloth reinforcement ink hot-pressing treatment, day and night as eye-catching and gorgeous, can replace the adhesive. The surface layer with maintenance light film has the characteristics of anti-ultraviolet and automatic cleaning. Thermal transfer technology is an ideal technology for outdoor light box. It is especially suitable for handling fonts and cartoon block patterns. Its shelf life can reach 5-8 years.
2. Light box fabric tension system and profile light box technology: can make the light box strong, flat, overall durable, can withstand 100 KM/h wind.
3. Lamp box cloth seam: high frequency and high pressure hot seam, using special welding belt, special seam belt, is the auxiliary technical wrist to dispose lamp box picture.
4. Computer spray painting: generally due to the disposal of outdoor headlamp box pictures, the clarity is 9, 12, 36, 72, DPI, etc. It is suitable for outdoor lamp boxes and manufacturing in different locations and at different intervals. Recently, the high definition and large-scale spraying equipment which has entered the Chinese market abroad are 240DPI, 360DPI and 5M in width. However, the price is high and the applicability is limited, so it is not suitable for popularization.
5. Computer Photography: The clarity is above 240DPI. It is suitable for making indoor and outdoor close-spaced advertisements.
6. Thermoforming process: suitable for PVC, PC, organic board and other materials, can make logo, text, graphics with a variety of colors, one-time shaping, is one of the modern popular lamp boxes.
7. Groove typeface technology: It is a modern high-grade typeface manufacturing technology, the application of professional equipment, precision manufacturing, is a new generation of products to replace copper and iron typefaces.
8. Craftsmanship of computer carving lamp box: It can be built-in lamp, exterior computer carving, with average outline light. It is a new product of lamp box.
9. All kinds of computer craftsmanship: suitable for the manufacture of various signs and fonts.
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