Why Choose Soybean Ink as Packaging Box Printing Material

When customizing product packaging boxes, the environmental protection of packaging boxes is very worthy of attention. More and more brands hope that their product packaging will not leave a negative impact on the earth. In addition to choosing environmentally friendly packaging materials, it is also a good choice to use environmentally friendly inks, such as soybean inks. So what is soy-based ink and why should we choose it?

Petroleum is an important material for the production of traditional inks, and in the late 1970s, a shortage of petroleum caused its price to skyrocket. The 'Newspaper Association of America' ​​realized that we needed more reliable printing materials. After trying more than 2,000 vegetable oils, it finally chose soybean oil with the most stable effect to replace petroleum.

Compared with petroleum inks, soybean oil inks can reduce the production of volatile chemicals, and also solve the environmental health and safety problems of the printing industry. The American Association has also made specific regulations on the content of soybean oil in inks: the content of soybean oil in heat-set offset printing wheel transformation inks shall not be less than 10%, offset printing sheet-fed inks shall not be less than 20%, and foaming inks shall not be lower. At 40%, offset press ink must be at least 55%.

Compared with traditional inks, the advantages of soybean inks are also very obvious:

Vibrant color and high saturation - Compared with traditional inks, images printed with soybean inks will be clearer and brighter. In addition, soybean oil has high transparency and bright colors, which can easily realize a wide range of color packaging printing.

Environmentally Friendly - Soy based inks have a low VOC content of 0.8% compared to 4.6% for petroleum based inks. This also validates that soy-based inks have less of an impact on Earth's air compared to other inks. In addition, soybeans have a short growth cycle and are naturally biodegradable, causing little burden on the earth's environment.

Ease of Recycling - Any packaging box or paper that goes through the recycling process, has a deinking step to make the recycling process run smoothly. According to research, soy inks are easier to deink than ordinary inks. Moreover, the fiber damage to paper is minimal, and the residue of waste soybean ink is very easy to degrade, which is beneficial to sewage treatment.

The use of soybean ink in packaging boxes is becoming more and more widely, which is also due to the good stability of soybean ink and its friendliness to the earth environment. At the same time, with the enhancement of people's awareness of environmental protection, the development of soybean ink in the domestic market will only get better and better.

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