medium-pressure mercury types, as used for curing with photoinitiators. Some of these are also used for commercial & institutional sized water purification. My interest is specifically for curing. At 12:05 PM 7/24/2003 -0400, you wrote: >Is there anyone on the list that has experience with UV lamp ballasts? What kind? The high power arc type used for UV curing? The short-arc type used for commercial PCB exposure? The fluorescent ones (germicidal, black light etc.) are just the same as the same wattage/size of regular fluorescent bulbs. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body