Introduction of Common HD Flexo Printing Technology in Packaging and Printing Market

In 1995, the flexographic direct plate-making technology was introduced into the market, which greatly improved the precision and quality of plate-making, and at the same time avoided some of the defects of traditional plate-making technology. However, since the advent of direct plate-making technology, some of the inherent defects of flexo printing have not been solved well. For this reason, high-definition flexo printing technology came into being, and has become the promoter of the development of flexo printing. This article will focus on high-definition flexo technology and its impact on the future development of the packaging and printing market.

High-definition flexo printing technology consists of high-resolution laser imaging technology and high-definition dot technology.

1. High-resolution laser imaging technology

The imaging resolution of the flexographic direct plate-making technology is usually 2100ppi, the laser spot size is 18μm, while the imaging resolution of the high-definition flexo technology is up to 4000ppi, and the laser spot size is reduced to 6μm, which not only can better reproduce image details, Shanghai Printing can also avoid the generation of moire. More importantly, the imaging resolution of 4000ppi has more gray levels available. In addition to the 256 gray steps that are usually required in the design stage, after the tone compensation It can retain enough gray steps, while giving the printed product excellent visual effects, but also allows the printed product to have high definition and high contrast.

2. HD outlet technology

High-definition dot technology adopts a brand-new screen technology in the high-gloss area. Shanghai Printing differs from the usual "hybrid" screen, but "differential modulation" screen. In other words, the dots maintain the regular grid arrangement, just like the standard AM round dots, but in the highlight area, by changing the dot size to ensure that there are no independent dots or irregularly spaced dots. In the end, these differentiated dots will also jointly participate in printing, so that the highlight area realizes the printing effect of gradual change to zero, and at the same time guarantees the durability of the printing plate.

At the same time, the high-definition dot technology selectively adopts a special screening technology for the field and dark areas, namely the micro-cell technology. In general, the application of micro-cell structure to the entire printing plate will affect the overall quality of the printed image, and the high-definition dot technology can achieve the effect of gravure printing on the solid and dark areas through the controllable micro-cell. Among them, controllable means that the micro-cells will not appear on the edge of the pixel, so that the edges of the printed graphics or dots can be kept intact and sharp. In addition, under the printing conditions using the same amount of ink, the use of micro-cell technology can get a smoother, higher-density solid, and a higher contrast dark tone.

Model LE.CP.024
Feature Fire resistance, wear resistance, weather resistance
Application landscape, roofgarden, residence, villa
Fiber Material PE
Dtex 8000
Stitches/10cm 17/10cm+(-)3%
Backing PP+non-woven
Pile height 22mm+(-)1mm
Gauge 3/16"
Color 1-tone
Roll width 2-4m
Roll length 25mm
Packing PE fabrics
Stitches/SQM 21000+(-)3%
Wrranty 6-7years


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