... glass tubes for the UV sterilizing lamps produced in our company, their transmissivity at 253.7nm ... china. Now there is a question noticeable, in our country all the mercury lamps transmit 185nm ... short wave ultraviolet rays, which result in ozone, the ozone in the air even with a low ... used for air, food, water disinfection and apparatus disinfection in families, kitchens, food industry, hospitals and so ...