about UV-CTP plates Substrate: Electro-chemically grained and anodized lithographic aluminum Gauge: 0.15mm, 0.25mm, 0.3mm Alloy: Standard 1050 alloy Maximum width: 1280mm Spectral sensitivity: 350 - 420 nm Sensitivity: 120-140mJ/cm2 Resolution: Dot reproduction 2%-99% at 200lpi Coating color: Green Light source and Exposure: Automatic platesetter is recommendable. Light source: Iodine-Gallium lamp Power of Light: 4 kw Time: 30-50 seconds