Shanghai Kai Yin Printing Technology Co. Ltd.   

The classification of the 1 screen making a photographic plate method direct plate making method: in a good screen stretched on a certain thickness of the photosensitive coating slurry (usually light-sensitive diazonium salt slurry), coating and drying, and then use the plate and its fit into the plate film exposure, by developing, washing, a screen printing screen after drying. Process: the preparation of photosensitive slurry has stretching -- -- -- -- drying degreasing drying coating -- -- -- -- developing exposure drying retouching -- final exposure -- the BLOCKOUTS photographic diaphragm direct plate making method: Photographic diaphragm commonly known as water film, is thick