Different formulations of soy ink
Due to different printing methods and substrates require different formulations used in conjunction with soy ink, like gasoline can not be applied to diesel engine vehicles on the same reason. Therefore, the machine for pellets have developed a variety of formulations for different printing conditions choose to use. Currently, there are several: ① newspaper ink: the use of web printing newspaper printing, the Department is leaving the role of the ink absorption reaction of oil absorbed by the paper printed oil refinery to complete the printing surface of the paper. This newspaper ink oil (soybean parts) high, and are usually oil-black ink at least 40%, at least 30% of the color inks. ② sheetfed ink: the ink composition containing a resin more, but at least 20% vegetable oil. ③ heatset inks: oil-less, at least 7%. ④ coldset inks: oil copies of at least 30%. ⑤ business forms printing inks: oil copies of at least 20%. ⑥ letterpress printing ink: The water-based or solvent-based inks the matrix and contain vegetable oils of soybean oil, it contains vegetable proteins (such as soy protein), the pigment can adhere to the paper to complete the printing. Typically the protein content of I5% ~ 20%.