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The length of the main exposure time is determined by the plate types and light intensity. Exposure time is too short will cause the image gradient is too straight, line

The bending, small, small fraction was washed off, and the exposure time is too long will apply version, illegible. If in the same

A large, small Yu a piece of plate, coarse, fine lines. The black film can cover the respectively small part of exposure

Not by washing loss, in order to ensure the quality of printing. 4 flushing. The unsensitized parts washing solution, reserved photopolymerization

The relief. Wash version time according to the plate thickness and the image depth decided, washing time is too short, the version will be left on the

Effects of depth not photosensitive resin plate, washing time is too long will make plate expansion, resulting in fine part deformation

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