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Photographic film, also called dry film, is used to make PCB board, on height of the PCB, it'll turn into a touchy circuit board. Suitable for plating, hole covering,and the process. Excellent adhesion to just about all surfaces Image readability after publicity Front-panel is very clear after stepped forward :The dry film is proof against most of the acid solution, the PH price would be immune to most alkaline solution between PH8 ~8. Cover hole:1 dry movie can solely conceal a 0 inches thickness hole. Plating:The dry movie is supplied in commonest use of the plating bath, no wrinkles, no color. Material: Resin colour: Blue size: 30cm x 5M Package consist of 1x photosensitive dry film/in Note: Light and various displays could cause the colour of the thing in the photograph a little varied from the real thing. The measurement allowed error is +/- 1-3cm.