What is the size of the sign?

The specific size can be determined according to the content. Common sign production sizes are: rectangular 30 mm * 50 mm, 50 * 100 mm; There are also squares of 50 * 50 mm and 70 * 70 mm.

The length-width ratio should be close, not too different. Sign production can be arranged horizontally or vertically. The thickness of sign production depends on the specific size. Generally, the larger the area, the thicker it is, which can be 0.5- 1.5 mm. ..

Signs have two functions:

First of all, signs have the functions of marking and warning, and signs mainly express their functions through vision. For example, in the transmission of words, signs are symbolic, directional and suggestive. Text style can show personality, background and meaning. Form and symbol show symbolic and constructive significance together.

Second, signs are a kind of information transmission medium, which has the functions of advertising and warning.

Using light storage self-luminous material, it has the functions of light absorption and light storage. Absorb visible light such as sunlight and light in bright place for 20 minutes, and can continuously emit light for more than 12 hours.