sell positive offset printing ps plates

الوصف

Applications: Offset printing plate Performance: Medium-High runs Exposure: Metal-halide U.V. light sources Exposure time: ***0W Lamp; exposure time of *0(+/**0) seconds. To achieve clear 2 on Ugra step wedge scale. Note:Owing to possible differences of exposure and treatment equipment etc., Times are to be considered only as an indication in helping the operator. During operating, the exposure time may be different regarding the quality and quantity differences of exposure equipment and film-type used, hence we suggest applying the step wedge experiment for decision-making. Plate-processing glass must be neat and clean without any defects such as dust, foreign object, scrape, etc. Available thickness 0.*5mm/0.*5mm/0.*0mm >>Development : Manually by means of a pad, in a tray or in automatic plate processors using normal developing baths for positive plates duly diluted. Many developers can be used. The liquid temperature should be controlled within *3 +/*1oC, new developer should be added if the concentration decreases. During operating, the developer concentration and temperature should be properly controlled to prevent plate surface stain (poor appearance if too thin, the oxidized coating could be destroyed if too thick). Development time: *0~*0sec Development temperature: *3 +/- 1 deg C >>Safelight: Yellow lamp (avoiding direct sunlight)