Patent ID: 7182475

Claim:
Weatherproof and corrosion-resistant reflector ( 1 ) for electromagnetic radiation, in particular for infrared radiation, visible light and ultraviolet radiation, with a high total reflection, containing a reflector body ( 2 ) of aluminum or an aluminum alloy with a reflective surface or containing a reflector body with a reflection layer of aluminum or an aluminum alloy forming a reflective surface, characterized in that the reflective surface of aluminum or an aluminum alloy has a roughness Ra of less than 0.1 μm to DIN 4761 to 4768 and the reflector ( 1 ) has an external final transparent protective layer ( 4 ) of a polymer of a thickness greater than 1 μm and the reflector according to the 2000 h QUV test to ASTM G 53-96 has losses of total reflection and brilliance of less than 5%.