CDF/QT Direct Film Exposure Table

     ESTIMATED BASE EXPOSURE TIMES FOR OF ULANO CDF/QT THICK FILMS*
               CDF/QT Thickness
Exposure Unit 100 micron 150 micron  200 micron 250 micron 300 micron 400 micron 700 micron**
Carbon Arc              
30   amps 180 secs 240 secs 336 secs 420 secs 540 secs 1320 secs 2442 secs
110 amps 48 secs 65 secs 90 secs 113 secs 145 secs 355 secs 667 secs
Metal Halide              
1,000 Watts 75 secs 100 secs 140 secs 175 secs 225 secs 550 secs 1000 secs
2,000 Watts 38 secs 50 secs 70 secs 88 secs 114 secs 275 secs 500 secs
3,000 Watts 25 secs 33 secs 47 secs 58 secs 75 secs 183 secs 333 secs
4,000 Watts 19 secs 25 secs 35 secs 44 secs 57secs 138 secs 252 secs
5,000 Watts 15 secs 20 secs 28 secs 35 secs 45secs 110 secs 200 secs
7,000 Watts 12 secs 15 secs 21 secs 26 secs 34 secs 83 secs 142 secs
Pulsed Xenon              
2,000 Watts 219 secs 292 secs 408 secs 511 secs 658 secs 1605 secs 2794 secs
5,000 Watts 88 secs 117 secs 163 secs 204 secs 263 secs 642 secs 1118 secs
8,000 Watts 55 secs 73 secs 103 secs 128 secs 165 secs 403 secs 700 secs
Mercury Vapor              
1,000 Watts 99 secs 132 secs 184 secs 231 secs 279 secs 725 secs 1361 secs
2,000 Watts 49 secs 65 secs 91 secs 114 secs 147 secs 358 secs 679 secs
4,000 Watts 25 secs 33 secs 47 secs 58 secs 75 secs 183 secs 339 secs
Fluorescent Tubes              
40 Watts 218 secs 292 secs 408 secs 511 secs 658 secs 1605 secs  3000 secs
       Based on white mesh at 1 Meter/approx. 40 inches (except with fluorescent tubes)
               *These times are estimates only. You should perform a step-wedge test to determine the appropriate exposure time.
** The exposure time for CDF/QT-700 was determined for the film reinforced with  two layers of QTX.