An object of the invention is to provide a reflective sheet that uses silver
which
exhibits a high reflectance as a reflective layer and is excellent in light resistance
and wet heat durability, as well as a lamp reflector that uses the sheet and does
not generate a luminescent line. The reflective sheet constituted by sequentially
arranging at least three layers, that is, an underlying layer, a metal layer made
primarily of silver and a protective layer on a polymer film is laminated with
a molded body by using an adhesive, allowing a polymer film side of the reflective
sheet to be a surface to be adhered, to prepare a reflector. The resultant reflector
is processed to prepare a lamp reflector.
