Light Coating Of White Cattle Card Printing Features And Good Results
Today Corrugated paper Box is no longer just a simple printing rough outside Package Boxes
, and user demands increase, not only its own strength requirements increase, also including its printing graphics, color, luster, abrasion resistance, slip, size and so on. In the past, the traditional single sheet of paper packaging Offset printing Then mounted sticky, although offset printing are standard in effect, but such complex production processes, procedures and more, low efficiency, environmental safety and poor. After the flexographic printing process is the use of flexible photosensitive resin plate and pressure rough surface with poor Corrugated Printed on cardboard, it is difficult to avoid large network expansion, network-level expression of the gradient is not enough detail, since there are grooves, gloss overlay error of Japan and poor, so printing only low levels of network cable.
The past two years, in the corrugated board flexo printing directly low cost of production, process streamlining, efficiency, speed, security, environmental protection and other factors, driven by post-printed corrugated board of various technologies have been greatly improved and the most prominent is the wide continuous upgrading of Flexographic printing press, several domestic manufacturers of flexographic printing machinery positive development and introduction of high-precision, high-net-line flexographic printing press. Also, keep pace with the digital still Plate And widely used in high-grade ink after the printed corrugated cardboard.
Configure high screen Anilox roller Of Flexo machine Can print out the network expansion rate, the higher the wire print, but the higher cable roller the less ink it contains, the absence of coated paper to absorb ink. High cable capacity and low load ink roller can not beef noodles or white paper, card paper printing solid color. In this case, the use of coated paper to print is an ideal choice.
Coated paper in the printing relative to no White or white noodles coated linerboard, the available amount of high color, that is full of bright colors. In addition, the network image clearer, but also a very good gloss, the overall effect of beautiful printing, it is ordinary white paper, linerboard or noodles can not and, in the outer Carton Use of coated paper more attractive to the eye print.
However, in the coated paper directly flexography is a certain degree of difficulty, mainly because the surface coating of paper filled a cardboard surface pores of the fiber link, when the ink printing in the coating surface, coated paper Paper surface coating hinders the absorption and penetration of the ink, ink can stick floating in the coating surface, resulting in slow drying ink printing process. If the ink drying time can easily drag the flowers produce printed materials, bleaching, wet conditions in the wet easily back and another color overprint between problems, production is slow and so on.
In printing, drag to spend, bleaching, trapping and other technical problems that can improve the performance of ink to overcome. Production speed and ink drying speed is directly related to the ink drying speed of ink and paper of their own is also relevant. If the ink can be coated on the rapid dry, natural, drag the flowers, marking, trapping difficult, slow production and other issues are no longer difficult. Therefore, coated paper, flexo printing core problem is that after the ink dried slowly. General there is no coating of white cattle card or noodles paper ink drying time is about 3 seconds, while the duplex board paper, ink drying time is about 20 seconds.
On coated paper for ink drying in the problem of slow, and now there is a market for flexo post-printed on coated linerboard new light, its fast ink absorption, ink drying time is about 5 second, that the printing speed can be greatly improved, other problems can be resolved easily. Of course, if the printer is equipped with drying equipment will be better.
Recent years, in order to make printing and packaging manufacturers can easily overcome the problem of printing production, a cross between white linerboard and between the light weight coated paper coated cardboard white cow was born. Light coating of white linerboard is based on the white linerboard coated on a thin coating layer, coated paper used can be very smooth surface air knife type coating method. It is with the advantages of coated printing paper, linerboard and also has white printing easy features. As the light coating of the coating is very thin, thin coating will not easily fracture, and powder out. Can maintain a very even coating. To clay-based high-quality paint can make a better adsorption of ink on paper. This paper can be printed in a short time after the ink dried quickly,
by: pretty
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