Its advantages: 1. time shorter 2. efficiency higher 3. guarantee board and sensitization quality Technical parameter : ... 270mm4KW380V280mm2-4KW380V210mm,230mm,240mm,245mm,260mm3-6KW380V270mm,280mm,290mm 1.Spectrum: Its wavelength range is 350nm-450nm; main ... film, resin edition and photoengraving etc in photochemistry domain 3.Advavtage : time shorter, efficiency higher, and guarantee board ...