Experimental study on the preparation of printing ink and make the ink spray systems use different mixing ratio the mixing ratio of 1.4 g and include a 2.8 g mixing polyvinyl l Reed aho. Electrical conduction properties, which are made to prepare printing ink formula, the formula is divided into A number of 4 use graphite Fyn 1.4 g mixing polyvinyl alcohol. Formula B Fyn 2.8 grams of graphite used mixing polyvinyl l Reed aho. Formula C use graphite carbon black 1.4 g and Fyn 3 g and D using the graphite formula Fyn 2.8. G and 3 g of carbon black when printed on 80gsm paper pounds by doing the grinding machine with ultrasonic type salaianuphak ink until there is smaller than 5 µm particle size can be printed through the nozzle, and then measured the electric resistance value and viscosity.
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