The materials for street signs are divided into several parts;
The material of the road sign bottom plate: aluminum alloy plate, thin steel plate.
Road sign surface material: It can be made of retroreflective materials, paints, inks, adhesives, transparent coatings and edge fillers. At present, reflective films are more widely used.
Columns, fasteners and foundations of road signs: use H-shaped steel, channel steel, steel pipes, reinforced concrete pipes and other materials.