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(III) of printing methods for adhesive labels
time:
2020/03/26
Source:
Guangzhou Guangcai Label Co., Ltd.
screen printing is a printing method with wide adaptability to substrates. at present, many screen printing factories use low-cost screen printing equipment to undertake self-adhesive label and film label printing business. screen printing labels are characterized by strong ink color and strong stereoscopic impression, and uv ink can be used to print film products, in addition to a handful of rotary screen printing equipment can be competent for roll-to-roll label printing, most of the screen printing equipment is semi-automatic flat screen printing machine, which can only print single products, and the overprint accuracy is not high. It is not suitable for film label production equipment matched with the production line.
mass production of self-adhesive labels should solve the problem from the manufacturing of raw materials. self-adhesive backing printing is short for self-adhesive backing printing. Printing pictures and texts on the back of the bottom paper of self-adhesive materials is usually aimed at packaging printed labels. Electric eye induction identification is required on the back, which is especially suitable for thick cardboard and transparent self-adhesive. For example, roll clothing tag printing, train ticket printing.
self-adhesive label is printed with graphics on the back, and a small amount of text or pattern is printed on the adhesive surface to achieve the decorative purpose of double-sided label. The label is used on a transparent bottle or glass with a transparent liquid. The pattern on the label can be clearly seen through the transparent bottle or glass, which plays the role of both front and back of a label, saving label materials and costs., And make the product have a special decoration effect. Due to the particularity of the label structure, the label printed on the back has a certain anti-counterfeiting effect.
Back adhesive cover, some labels do not need to be fully coated with adhesive on the back, only need to be partially coated, such as seal labels with reposable and removable characteristics, and no glue is required at the finger contact area. Some labels with back cuts do not need glue for easy removal of the backing paper. In order to meet the above needs, the printing factory uses the printing method to print ink on the position where the adhesive is required to be removed, and covers the adhesive to make it non-sticky, so as to achieve the same effect as the local coating process when manufacturing raw materials.
If mass production is carried out, it should be fundamentally solved from the manufacturing of raw materials. If the back is printed with graphics, the back of the fabric can be pre-printed and then made into label material. And the back cover label, can be in the material manufacturing, with the method of local glue production of special materials, with special materials processing labels, which can improve the adhesive label quality and production efficiency.
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