... 40WUV: light source of Ultra-Violet, wavelength: 365nm Power: 20WCWF: A wide band single phosphor fluorescent source commonly used in ... 4100K.U30/U35: A narrow band tri-phosphor fluorescent source originally designed for commercial lighting applications in ... used in color management area in textile, printing, plastics, paint, ink, printing, paint, coating, chemicals, ceramics, shoes, leather, hardware ...