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of about 20 ℃ about 50%, if the temperature is high, the relative humidity is low, the ink will quickly volatile solvent evaporates, the viscosity of the ink becomes high wire-line, thus blocking live mesh. Another point to be noted is that if down time is too long, will produce a paste version of the phenomenon, the more serious the longer the paste version. Second, if the ambient temperature is low, the ink is prone to poor fluidity paste version; ③ causes screen plate. Screen printing plate made ??good rinse before use and can be used after drying. If the system eventually becoming a good place too promptly printed version. In the preservation process will be more or less adhered to the dust, if not cleaned, it will cause the printing paste version. ④ reasons printing pressure. Printing process imprint force is too large, curved blade, scraper and screen printing plate and glass are not in line contact,
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