What should we pay attention to when printing non-woven bags
The printing process of non-woven bags is mostly screen printing, which is often referred to as 'screen printing'.
But in the actual manufacturing process, customers often ask: Why do some non-woven bags have good printing effect and some have poor printing effect? Of course, this has a lot to do with the proficiency of the printing workers and printing technology, and, on the other hand, has a great relationship with the selection of printing inks.
Generally, there are two kinds of printing inks for us to choose, one is water-based elastic glue, and the other is ink. For example, the printing on general non-woven bags is made of water-based elastic glue. The biggest feature of this water-based elastic glue is that the effect after printing has a significant concave and convex feeling, and has good coverage and washability. And there is no peculiar smell at all, and the ink is generally used in the screen printing of general objects, such as the appearance of metal boxes, etc. The biggest feature of this printing process is the high printing accuracy. Why do we use water-based elastic glue for printing on our environmental protection bags? This is mainly due to the following factors:
1. Different from the surface of ordinary objects, the mesh on the surface of the cloth is relatively large. Choose ordinary ink for printing. If its coverage is not good, that is to say, printing After finishing, a lot of the background color of the fabric itself is exposed, and the printing effect will be ugly. Therefore, because of the surface properties of the fabric itself, we use water-based elastic glue.
2. Water-based elastic glue is a relatively environmentally friendly ink, and there is basically no odor. Therefore, since we are making non-woven bags, of course, we must choose environmentally friendly inks.
There is also a situation that some customers' orders need to be exported to some European and American countries. Therefore, relatively speaking, there are higher requirements for the environmental protection function of ink, so at this time, we need to be more cautious. , to avoid failure to pass environmental protection testing when import declarations in other countries. In this situation, we generally recommend that customers choose those water-based elastic glues with high environmental protection performance. This kind of water-based elastic glue with high environmental protection performance not only has low content of heavy metals, but also its color fastness (the ability to adhere to the surface color of the fabric) ) and washable function better.
Of course, good water-based elastic glue has high manufacturing cost, but for high-end customers, we still have to provide a better product quality. As a manufacturer of environmental protection bags for many years, no matter what kind of customer request, we provide customers with the best service with our professional nature.
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