Screen printing what issues should pay attention before?

① printing establishments clean precision screen printing with the printing requirements of continuous improvement, especially printed circuit boards, electrical components, such as high-precision printing on the environment also put forward higher requirements. General requirements for the printing workshop, and plate-making workshop to be clean, no dust in air, otherwise, will affect the printing quality. Require a higher accuracy of the printing workshop, if necessary, installation of air purification equipment in order to maintain printing, plate-making workshop clean.
② temperature and humidity of spring, summer, autumn and winter seasons the temperature and humidity changes in a larger impact on the printing accuracy of a relatively large, especially multi-color overprint, affecting more obvious, therefore, request the indoor humidity, temperature should be relatively stable, Seasonal changes in accordance with appropriate adjustments to the indoor temperature and humidity to ensure the accuracy of the printing size.
③ fully understand the nature of substrates as a result of the application of screen printing a very extensive variety of print materials, and substrates of different shapes, in the printing before the different requirements according to the selection of appropriate inks and solvents as well as the scraper and so on.
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