Archives du mois - plate-forme de publication personnelle sémantique de pointe 2020

30 Apr

Compétences de production de papier kraft(1)

Reasonable selection of ink As kraft paper is different from SBS board and general printing paper, it is uncoated, looser than bleached board, with many pores on its surface and strong permeability, which needs to be considered comprehensively in ink application and coating. For example, according to the analysis of the characteristics of kraft paper, flexographic printing is generally better than offset printing. Due to the rough surface of kraft paper, soft texture, strong ink absorption, matte print color, et [...]

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29 Apr

Compétences de production de papier kraft

Impression douce, héliogravure, l'impression offset et la sérigraphie peuvent être utilisées pour l'impression sur papier kraft. Le meilleur effet qualité peut être obtenu en maîtrisant les points clés de la technologie d'impression, se familiariser avec l'aptitude à l'impression de l'encre d'imprimerie et du papier kraft, reasonably selecting and allocating ink, and controlling equipment parameters.However, for some small packaging printing and processing plants, or just put into production and management of kraft paper packaging small plants, due to various conditions, there will [...]

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28 Apr

Kraft paper(2)

White kraft paper Specifications Press kraft paper is mainly used in the press process of FPC, PCB, CCL and other industries. It plays the role of heat preservation, water absorption, pressure reduction, buffer, heat transfer and so on. It has a complete range of weights, providing 190g / M & sup2;, 220g / M & sup2;, 254g / M & sup2; and other different weights for a long time, and can provide customers with customized production services from 190g / M [...]

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27 Apr

Kraft paper(1)

classification Kraft paper usually keeps its tan color, suitable for bags and wrapping paper. According to different properties and uses, kraft paper has different uses. Kraft paper is a general term for paper, which has no certain standard and is generally classified according to its nature and use. According to the different colors can be divided into: primary color kraft paper, red kraft paper, white kraft paper, plain kraft paper, single light kraft paper, double color kraft paper, etc. According to the [...]

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26 Apr

Kraft paper

Kraft paper, used as packaging material. The intensity is very high. It is usually yellowish brown. Semi or full bleached kraft pulp is light brown, cream or white. Quantitative 80-120G / m2. The fracture length is generally more than 6000 M. The tear strength, fracture work and dynamic strength are very high. Most of them are web paper, but also flat paper. The Kraft coniferous wood pulp was used as the raw material, which was beaten and made on [...]

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24 Apr

Why to use copperplate paper to print high-grade printing products？

Copperplate is developed with the screen printing. Because the surface of uncoated paper fiber is uneven and the degree is much larger than the diameter of dot, some dot just in the gap between the fibers and can not transfer the ink to the paper, so that the image pixel can not be reproduced in this part. After the coated pulp is calendered, the particles on the surface of the paper are smaller than the diameter of the dot, [...]

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23 Apr

Main uses of art paper

The paper is pressed with old blankets. In addition to its flat surface and high whiteness, it also makes the printed figures and pictures have a three-dimensional sense. ce processus est plus facile à atteindre strict environnemental, the paper can be widely used for printing pictorial, advertising, landscape painting, fine calendar, figure photography, etc.Copperplate paper is one of the main papers used in the printing factory. Copperplate paper is commonly known. The official name should be printing coating paper, which is widely used in real life. The [...]

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22 Apr

Technical requirements for printing copper plate paper(1)

4. Due to the smooth surface and poor ink absorption ability of the copper plate paper, when printing the field plate of large page, try to achieve “deep ink and thin printing”. That is to say, the ink color is properly adjusted, and the ink layer is correspondingly thinned during printing, which can not only meet the requirements of printing color, but also reduce the chance of overprint and prevent overprint. In addition, due to the poor adhesion of [...]

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21 Apr

Technical requirements for printing copper plate paper

Due to the defects in the process of some domestic copperplate paper, it is easy to produce varying degrees of de dusting and stretching variation, especially for single-sided coated paper, which is prone to curl and affect the accuracy of overprint. If the process of printing copper plate paper is not properly operated, it is easy to produce sticky dirt (over bottom), pulverization, slow drying, Star color, under light and so on. ce processus est plus facile à atteindre strict environnemental, the following problems should be paid [...]

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20 Apr

Caractéristiques du papier d'art couché

Un papier de traitement de revêtement pour l'impression sur cuivre. Selon différentes utilisations, il peut être divisé en revêtement simple face ou double face. Il y a du papier plat et du papier web. La ration est généralement de 70-150g / m2, et il y a un revêtement double face jusqu'à 180-250g / m2. The paper is uniform and compact, with high whiteness (more than 85%), smooth and glossy surface, and solid and consistent coating, so as to obtain fine and clear patterns and characters after printing. The base [...]

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