Evacuation signs should be made of non-combustible materials, otherwise they should be outside with a protective cover made of glass or other non-combustible transparent materials. Cover. In other words, except for the signs made of aluminum alloy and other non-combustible materials as the base mate

Article 1028 of the "Fire Code for Building Design" stipulates that the evacuation aisles and main evacuation routes of the dance and entertainment venues, underground stores and the ground or the wall near the ground should be set up with luminous evacuation signs. The design of high-rise civil bui

Most of the artificially made luminous balls are made of fluorescent powder (commonly known as glow powder), which is divided into two categories: photoglow storage powder and luminous powder with radioactivity. Photoglow storage luminous powder is phosphor in the environment after natural light, daylight, ultraviolet light, etc., the light energy stored, after the cessation of light irradiation, in the slow release of fluorescence, so at night or in the dark, can still see the luminous, the duration of a few hours to a dozen hours.