Soy ink printing guide
Once a microblog "Beijing textbooks printed with soybean ink" was released, it attracted widespread attention both inside and outside the industry. Since the official introduction of green printing in July 2010, various printing companies have actively implemented the concept of green production, and the soybean ink printing textbooks launched in Beijing this time have blown this fresh wind of green environmental protection to the campus. So why is soy ink so popular? How is it different from ordinary ink in the printing process? These issues Bisheng.com will take stock for you.
News review
As soon as the school starts this fall, textbooks bearing the "green printed product" logo will be distributed to primary and secondary school students. By then, 1.5 million primary and secondary school textbooks in Beijing will be printed in green, which accounts for more than 30% of the total use of primary and secondary school textbooks. After 1-2 years, the city's primary and secondary school textbooks will be fully covered by green printing.
Learned from the Printing Management Office of the Beijing Press and Publication Bureau, green printing qualifications are required to undertake green printing tasks, and Daxing District Beijing Lianxing Shengye Printing Co., Ltd. is one of the companies that have certifications, and the history of listing on their booth , English and Other teaching materials are printed clearly, the color is soft, the smell is fresh, and the content of 8 heavy metals such as lead, chromium, copper and mercury in the ink does not exceed the standard. This ink will not cause much impact even if eaten by humans. This magical and environmentally friendly ink refers to soybean ink.
Since it is a textbook for children, the safety of printing is not only limited to ink, but also has strict regulations and restrictions on paper. It must be guaranteed to be green recycled paper, natural paper and FSC paper certified by forest management. In the final book binding process, the adhesive also requires no benzene, fat, ketone, etc. In addition, some auxiliary materials, such as the dampening liquid that used alcohol to clean the printing plate in the past, now require the use of green cleaning materials. This will inevitably lead to higher costs for ink, paper, and glue when implementing green printing.
The testing of printed products is carried out in accordance with the national environmental standards for green printing formulated by the Ministry of Environmental Protection. Eight heavy metals and 16 organic volatiles are the key points for testing. To readers.
Development history of soybean ink
In the late 1970s, oil prices skyrocketed, and the "American Press Association" realized the need for more reliable printing materials. So, after trying more than 2,000 vegetable oil solutions, the R & D department of the association finally determined soybean oil as an alternative ink solvent.
In 1987, a media in Iowa began printing with soybean ink;
In 2004, soybean ink became the main printing oil in the US daily newspaper. In order to promote the development and use of soybean ink, the United States also established the "National Soy Ink Information Center" in 1993;
In 2005, soybean ink was successfully promoted in the United States and the world.
Soy ink has been used in large-scale applications in the United States, Japan and other countries, but it is still relatively weak in China. Among them, there are technical factors and more lack of understanding. However, with the deepening of domestic green printing concepts and environmental awareness, China's soybean ink began to take the pace of development. China started relatively late, but in recent years the demand for soybean ink is also in a state of rapid growth.
In fact, domestic ink companies have smelled the fragrance of soybean ink. Tianjin Toyo Soybean Oil Offset Bright Quick-Drying Ink has been certified by the American Soybean Oil Association for environmental protection and is sold domestically.
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