In the United States, the IML method is increasingly used. A wide range of labels in various colors are readily available, and the development of UV-curable outer coatings are just a few examples that illustrate changes in the label industry. These changes outline the labels. The future of the industry.
At present, the focus of the label industry is still on 60 # and 70 # GIS (single-sided coating) label paper. But buyers of glued labels are increasingly turning to plastic synthetic materials. These plastic labels (typically polypropylene) are used in some metal packaging cans, but it is the most favored by the beverage industry and is widely used in plastic and glass bottles. Plastic heat-shrinkable sleeve labels are used both on metal cans and bottles, because the flexographic printing method is both economical and meets a satisfactory standard.
Paper and printing
As long as food companies still have glue labeling machines, they still choose paper labels and stick them on metal cans and bottles. Such labels are occasionally embossed or stamped with metal foil, giving them unique qualities. However, these characteristics have also improved significantly, and food companies are notoriously reluctant to pay more for their labels.
In the past few years, two major changes have taken place in the field of paper labels:
The first is the need for UV (ultraviolet) cured outer coatings.
The second is the use of a wider range of ink colors.
Many printing houses can print nine colors in one printing process, so they can print more special colors with little extra cost. Special colors can reduce discoloration. When four-color inks are used to create special backgrounds or solid colors on labels, discoloration often occurs. Most trademark buyers pay special attention to some basic quality factors, which are divided into appearance and functionality. The factors that must be controlled in this category of appearance are:
1. Color consistency
2. The number of ink voids (which must be kept to a minimum) shrinkage and wrinkles
3. Resistance to fading In terms of functionality, it is important to control the following factors: size (must be consistent) without sticking or caking
4. Anti-wear
5. Flat (non-curled) and consistent
Many label buyers now require monochrome printing on the back of the label to support certain promotional activities. This requirement has also been met, and the processing cost is relatively low, because many sheet-fed printing presses have such a device that can also color the back of the label in one printing.
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