Quartz Germicidal Lamp The sterilizing lamps made of this tubes have a strong sterilizing ability and no ozone produced. Quartz Germicidal Lamp It is know to all, that among the mercury arc spectrum for lamps only the ultraviolet at 253.7nm is strong enough to kill bacteria. The quartz glass tubes for the UV sterilizing lamps produced in our company, their transmissivity at 253.7nm is over 70%, ...