PURPOSE: To attain excellent adhesion performance between a metallic plate and a resin layer and to reduce the job process by providing the metallic plate layer, the resin layer, and a reactive hot melt adhesive layer formed between both the layers to a reflector.

CONSTITUTION: A reflector 17 is obtained by employing a metallic plate 18, an adhesive layer 19 formed on the surface of the metallic plate 18, and a resin material 20 overlapped on the adhesive layer 19. A material of the metallic plate 18 is iron, stainless steel, aluminum, copper, lead, brass, zinc-plated steel (so-called galvanized iron plate), tin-plated steel (so-called tinplate), or duralumin or the like. A reactive hot melt adhesives is used for an adhesives for the adhesive layer 19. Moisture (water content), a curing agent, an ultraviolet ray, heat, an electron ray or the like is used for a curing medium of the reactive hot melt adhesives. The moisture curing type hot-melt adhesives is used especially suitably from the standpoint of the job performance and the economy or the like.