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The preparation of ink is an important work in the color printing process, which is directly related to the printing quality of the product. Because the color is bright and the brightness is good, the hue is accurate is the basic requirement of the color printing products, to achieve this requirement must first accurately deploy the printing ink. Therefore, the operator must master the color knowl...
Viscosity is an important index of ink rheology.In printing, a certain viscosity is the main condition to ensure the normal transfer and uniform transfer of ink.It is related to whether the printing process can proceed smoothly, and directly affects the uniformity, clarity and gloss of the imprinting ink, and also relates to the viscosity, fluidity, yield value, thixotropy, drawing and other prope...
The allocation of ink hue is an important work before printing, and it is also a very abstract work.Simple color materials three primary colors, yellow, magenta, green can be deployed into red, orange, yellow, green, blue, purple and other dozens of colors. In the actual deployment process, only by the three primary colors of ink can not get the required color, this is because the ink manufacturer...
Laminating water-based adhesive for flexible packaging. Suitable for thickness 30 μ Dry compounding of plastic and paper plastic within M. It is suitable for compounding between pet, BOPP, CPP, PE, aluminized film, pearlescent film and other materials, and is suitable for dry compounding machines with various speeds Features Low odor, good strength and good matching with ink Water solubility, good...
One,Overview Paper-plastic composite can make the surface of paper printed matter more bright, smooth and color more bright and full of three-dimensional sense, but also play a role in moisture, anti-fouling, anti-counterfeiting, folding resistance, wear resistance and so on.It has been widely used and rapidly developed in printing and packaging industry at home and abroad. The market demand for p...
1.Familiar with the properties of adhesives For bonding, adhesive is the basis, the selection of adhesive, its performance is an important basis. Different types of adhesives, with different properties, determine their various uses, only familiar with the performance of adhesives, in order to handy selection. 2.Identify the nature of the adhesive There are many types of adhesive species with diffe...
The adhesive not only needs it to stick firmly, but also needs long-term viscosity, the effect of the adhesive is better, if it can not be sustained, after a period of time it will fall off, or for some reason, the viscosity will decline, so we sometimes need to think of some ways to ensure the durability of the viscosity. Research work and experience have shown that adhesives can bond things by i...
With the rapid development of printing and packaging industry, the appearance design of products is becoming more and more high-end. The composite technology used in modern exquisite printing mainly includes: paper printing and plastic film composite and plastic printing and plastic film composite, that is, paper-plastic composite and plastic-plastic composite.As a new type of packaging material, ...
There are many factors affecting the quality of the film, in addition to paper, ink layer, film, adhesive and so on In addition to the objective factors, it is also affected by subjective factors such as temperature, pressure, speed, and glue amount. If these factors are not handled well, various laminating quality problems will occur. There are snowflakes on the product 1.The amount of glue is to...
In the actual operation of our manufacturer, whether the laminating products can normally complete the factory and meet the requirements of customers, in addition to the quality of the laminating glue itself, it is also related to the supporting factors such as paper, film, equipment accuracy, environment, and operating experience in the composite process. Often in some small details, it will caus...
Whether the water-based film adhesive meets the quality requirements of composite products, in addition to the quality of the glue itself, but also related to the paper, film, equipment accuracy, operating experience and other supporting factors in the film coating process, after long-term practice, we summarized the common problems in the application of water-based film adhesive, and put forward ...
Common problem Cause Solution The middle part of the compound bubbles Add dry oil when brushing Dry and then recombine The amount of glue is too small Increase glue Film or print surface contamination or excessive dusting Dedusting The overflow on the surface of the rubber roller is not removed, causing the mucous membrane to empty Cleaning glue roller The pressure is too small, and the ...
As a kind of widely used adhesive, coated adhesive has a variety of processes. Here are some of the common processes used: 1. Hot melt coating: hot melt coating is to place a layer of film on the surface of the print, and then through hot pressing the film and the print together.In this process, the laminating glue is heated to turn it into a liquid, which then forms a uniform coating between the ...
Brand :Sinograce Type: Water base adhesive Appearance：Milky white emulsion with blue light Performance and use:This product is suitable for the coating of BOPP film, PET film and printed color paper (dry coating process). High bonding q degree, large tension compound drying speed, good parallel flow; For gold and silver cardboard, single powder paper bonding q degree, tension q, to avoid the...
First, the choice of self-adhesive printing raw materials When selecting raw materials, we must choose high-quality self-adhesive materials with qualified physical and chemical indexes, rather than products with expired or unstable physical and chemical indexes. Although the latter price is low, but due to the unstable quality of such materials, large consumption in each process, and even lead to ...
There are four common waterborne polyurethane thickeners: ①Inorganic thickeners, such as flake silicates, fumed silica, etc.; ②Natural organic thickeners, such as cellulose ethers; ③Synthetic organic thickeners, such as polyacrylates, polyvinylpyrrolidone; ④associative thickener. This paper mainly introduces the associated emulsion thickener. Associative emulsion thickeners are non-ionic synthetic...
sinograce chemical
Sinograce Chemical is professional technical enterprise providing solutions of surface materials and manufacturing of raw materials. Sinograce Chemical Company is composed of R&D center, Manufacture center, Quality control department, Market center and International trade department. We have been dedicating to research on excellent paint/coating, adhesive for over 15 years. And now still conti...
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