Halogen Bulb
A halogen lamp (also called tungsten halogen, quartz-halogen, and quartz iodine lamp) is an incandescent lamp consisting of a tungsten filament sealed in a compact transparent envelope that is filled with a mixture of an inert gas and a small amount of a halogen, such as iodine or bromine. The combination of the halogen gas and the tungsten filament produces a halogen-cycle chemical reaction, which redeposits evaporated tungsten on the filament, increasing its life and maintaining the clarity of the envelope. This allows the filament to operate at a higher temperature than a standard incandescent lamp of similar power and operating life; this also produces light with higher luminous efficacy and color temperature. The small size of halogen lamps permits their use in compact optical systems for projectors and illumination. The small glass envelope may be enclosed in a much larger outer glass bulb, which has a lower temperature, protects the inner bulb from contamination, and makes the bulb mechanically more similar to a conventional lamp.
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Contact us
Vera Qian
Skype: veraqian1980
TEL: 86-21-59566697
Phone/WeChat: +86-13661947052
Shanghai Weknown Auto Parts Co., Ltd
ROOM 3023,A AREA, CAS CAR PARTS PLAZA,
NO.488 ANCHI RD, ANTING TOWN, JIADING DISTRICT,
SHANGHAI PROVINCE, CHINA.
