Screen printing requirements for photosensitive materials

Screen printing requirements for photosensitive materials 

1.Requirements on photosensitive materials for screen making: good performance, easy to coating, with appropriate photosensitive spectrum range, generally appropriate in 340~440 meters,

Sensitive wavelength, plate making operation and printing plate storage need to have strict darkroom conditions;Wavelength is too short, the choice of light source, personnel protection will become more sleepy Difficult;High sensitivity, can achieve energy saving, rapid plate-making purpose;Good development performance, high differentiation, good stability, easy storage, less sense waste.

2.Screen printing requirements for photosensitive materials: photosensitive materials formed by the plate film should adapt to different types of ink performance requirements, has a considerable resistance to printing Force, can withstand the equivalent number of scraping ink scraping pressure;Good ability to combine with the screen, printing does not produce a film failure;Easy to peel, not easy to produce ghost Shadow, conducive to screen plate material regeneration.

For non-drying ink, photosensitive film is required to achieve a certain thickness of 10~40 meters on the substrate surface, which is about 1~2 sheets of 80g photocopier paper thickness.

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