18WBLB ultraviolet light tube, UV lamp, UV light tube, UV black light, black light tube, UV black light 
 UV lamp black light inspection lamp black check lamp made by the blue-black glass, the inner wall is coated with phosphor, issued by the UV-A long-wave ultraviolet radiation to stimulate the light-emitting material, while the blue-black glass can through the visible light down to minimum, so as not to affect the glow of the light-emitting substance is mainly used for: industrial flaw detection analysis in the textile and chemical industries, bank paper money, mineralogy, crime, food produce, capture insects. 
 Commonly used models: FL4W.BLB FL6W.BLB FL8W .. BLB FL10W.BLB FL15W.BLB FL20S.BLB FL40S.BLB HPR125W BLB EFD15D BLB TLD18W/05 TLD36W/05 18WBL