The purpose of this project is 1) to study the ratio of copper, mercury ริกเตต the iodide, and Danish printing ink. 2) to test the temperature to change the color of the ink printing ink change. The color temperature in different mixture ratio 3) to study the properties of the printing of ink color according to the temperature on the paper 4) to check the quality of the printing ink color change. According to the temperature on offset printing system by way of trial run as follows: test flow of ink, the set of printing ink color change with different mixing ratio to bring compare well! As well as the printing quality is resistant to abrasion, the black, and change the color temperature.The results showed that the printing ink color temperature change ratio of toner 20%, the most suitable is similar to the offset ink has the most common. And the printing quality is better. Printing ink color change temperature 10% and 15% because of the pigment ink and varnish mixture is suitable for viscosity viscosity. The flow distance tacky, or the black printing ink, changing color temperature 20% had a printing ink that is close to the most common offset ink
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