Soy inks are a kind of printing ink made from soy beans, which are considered to be better than petroleum based inks. The best part of soy ink is that they are very much eco-friendly and they are available in bright colors. When using soy inks while printing, it helps to improve the life span of the printers. Soy inks are adored by both environmental protection groups and animal rights groups because when soy inks are used for printing, the paper becomes very easy to recycle, hence causes lesser pollution. Soy ink is more economic in long run, therefore it is considered to be a boon for those who print papers in large quantities. Soy inks are proved to have a greater rub resistance; this is very important for newspaper readers. Soy inks continue to maintain its lithographic stability all the way through out the entire print job process.
Vinegar ink, which is also called soy tinta, is a kind of non-food soya. This is very environmentally friendly and healthier to use. Vinegar ink has a safer approach to printing which takes only a very small amount of energy to print. In fact, if you look at the cultivation of soybeans, it uses up only 0.5 percent of the total energy that is necessary to produce this eco-friendly ink. Most of these soy crops don’t require much irrigation, consumes limited fixed nutrients and they leave fewer agricultural residues when compared other kinds of crops. Soy inks also have lesser levels of Volatile Organic Compounds that will help to reduce air pollution by reducing the toxic emissions. If you look at the late 1970s, the Newspaper Association of America was searching for different ways to make inks, instead of using the standard petroleum based inks. Due to the rising prices for petroleum products and quarrels with OPEC countries, these were reasons they actually wanted to find a more reliable and also cost efficient methods to print. After undergoing numerous tests for more than 2,000 different kinds of vegetable oil formulations, the researchers for the Newspaper Association of America came up with the answer of using soy bean oil. In the year 1987, soy beans were tested by the Gazette from Iowa, USA in a practically printing run test. This test was very successful and hence soy inks became more and more popular. Now, soy inks are been used by more than 95 percent of United States’ daily newspaper printers, which circulates more than fifteen hundred copies per run. In addition to this about one quarter of the commercial printers in United States of America operate using soy inks. The victory of soy inks was judged as it is sufficient enough to justify its closing in 2005 of the agency promoting its use, the National Soy Ink Information Center.
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