How To Improve The Quality Of Flexo Corrugated Color Box (china) - Flexo, Corrugated, Carton - The

Plate options Carton printing quality and use of print material types

, material quality version of a great relationship. So select the best printing plates, printing paper box to ensure the quality of the base. Currently the main use of corrugated flexo plate with rubber, solid and liquid soft flexible resin edition resin version.

Rubber version Rubber plate is generally natural or synthetic rubber, plates, oil resistance, acid and alkali resistance, good abrasion resistance, with a longer service life. In addition, rubber plates smooth surface, good flatness, uniform ink absorption during the printing process, good flexibility can compensate the defects caused by uneven cardboard. Smooth carving process can avoid the maximum plate deformation, laser engraving plate to make the printing is better, to fully meet the needs of middle and low carton printing process.

In addition, lower prices of rubber plates, it is suitable for use by SMEs, the lines of simple text in the printed packaging is cost advantage. The downside is that too much flexibility to print in dot gain, resolution reduction, anti-Indian edge is not as photosensitive resin plate, is not suitable for mass production of high-quality printed products.

Photosensitive resin version Photosensitive resin version has higher resolution and better reproducibility of the manuscript. Water-based ink for ink, especially a very good transmitting ability. Compared with the rubber version, shrinkage is small, the plate will not produce stretching deformation, can make accurate plate size, and good dimensional stability, the plate-making accuracy is even higher than the rubber thin version. Photosensitive resin plate Plate simple process, making bottom plate could also consider the issue of compensation, without grinding version back. Plates used for a variety of models, options, should pay attention to the following questions:

Hardness and elasticity?? Hardness directly affects the print pressure, print times and the response level, different equipment and different substrates with different hardness to the plate. Flexibility is the hardness of the anti-index, hardness smaller, more flexible they are, the more contact with the substrate even print out the ink has even, but the poor reproducibility of the image level, and the dot gain is more significant. Small is flexible, high hardness, high-quality halftone printing for graphics.

Thickness?? Flexo plate thickness from 0.95mm ~ 7mm between the various models. Printing Equipment different choices of different thickness plates. General pre-printed with a thin plate can be 1.7mm ~ 2.84mm choose between the models. After the printing plate used carton thickness 3.94mm-7mm between on, he was more than 3.94mm. Followed by the plate thickness uniformity, such as DuPont Cyrel photosensitive resin plate thickness can be controlled within 0.03mm. Also note the thickness of the membrane substrate, this layer is to prevent the flexible diaphragm version of the basic guarantee of stretch, generally between 0.12mm-0.25mm.

Relief depth?? Print version of the relief will lead to inappropriate or graphic ink paste version of the local damage due to pressure, force polymer directly affects the stability of the printing plate printing rate effects and resistance.

Plate features??, If applicable, ink type, exposure latitude, resolution and so on. Print Image Network general the range of 2% to 95%, CTP version of up to 1% to 98%. Halftone Image Resolution on behalf of an indicator, printing and color overlay network cable on the choice of products large and broad numerical models of plate, large plate tolerance can greatly improve the plate's yield, large print and in the field of alternative tolerance of small plates. Thin and independent outlets are a direct reflection of the printing quality of published material.

In addition, use of light plates, washed version of the exposure, drying time, wash version of solvents, plate size and other indicators we should pay attention.

Liquid resin and solid resin version version is not much difference, but in the washing liquid on the different version, in the operation of the process and methods are different. Solid state version of flexible resin version of the wash solution containing chloride or high chloride solvent to replace solvents, carcinogenic substances, hazardous to your health, and pollution to the environment after discharge.

by: gaga

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