Ultraviolet Glass -selective absorption type

Through ultraviolet black glass has a good UV penetration, which at long wave, short wave their models were ZWB1, ZWB2, ZWB3 (254nm 310nm 365nm), can filter out (absorb) visible light. Mainly used for geological surveying, nondestructive testing, medical analytical instruments, UV light source filter. For more details, please visit http://www.betteroptics1.com