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Has analyzed the difference between the pad printing ink and printing ink

Date:2013/11/12 20:12:47 Hits:6244

     Different printing process is not identical to the requirement of printing ink, on ink must also add the appropriate supplement ingredients to make them easier to use in specific situations, such as offset printing ink viscosity, good resistance to water, gravure printing ink is more thin, good liquidity;Silk screen printing ink, will has good permeability.

    Different printing process using ink in total the main difference between ink contains additives is different, this article will mainly talk about silk screen printing ink and printing ink.

     In substrates eligibility, silk screen printing has a great advantage, especially in the shape of plastic hardware electronics and consumer goods industry directly, silk screen printing won a widely admired.However, there is no universal way of printing, silk screen printing is no exception.In a small area and irregular industrial printing area on the surface of the substrates, silk screen printing has met the real trouble, this problem has given rise to the birth of pad printing technology.It can be said that although the pad printing and screen printing technology has very big difference, but they involve extremely similar industrial field.

    The earliest pad printing ink is silk screen printing ink instead of, practice proves that there is nothing absolutely not adapt.Ink used in different printing environment, however, differ in eligibility for certain, such as pad printing inks, users do not require it to have screen printing ink through sex, but will ask its better thixotropism and table stem phenomenon, to ensure its from steel to plastic head, substrates transfer process more accurate.Use a dedicated pad printing ink will undoubtedly easier to improve printing quality.

     MARABU first developed a dedicated pad printing ink.Through the function of additives to keep the surface tension of the ink at a constant range, in order to make the ink transfer printing process to maintain absolute consensus.Ink transfer process and the properties of the rubber pad printing head also is closely linked, and the surface tension of the rubber pad printing head control within the scope of the similar and pad printing ink, it seems, is a systems engineering, essential purpose is to improve the printing ink transfer efficiency.The Japanese is to solve the problem from another Angle, they on the pad printing machine equipped with rubber head cleaning device, however, equipped with rubber head cleaning device mainly lies in the control of the ink transfer, and transfer efficiency did not increase.

     MARABU have 6 (which is actually eight) pad printing ink to choose from: GL, mainly used in metal, ceramics, glass surface, the basic is a two-component ink, you need to add GLH hardener, TPR, is in the SR series screen printing ink on the basis of the improvement of pad printing inks, whatever the SR material that can be used in pad printing process can make the TPR;By the same token, TPY is silk screen printing ink in PY series based on the improved pad printing inks, can be chosen for the material is very difficult to printing surface TPU ink;TPT is mainly used in the oil cup pad printing ink pad printing machine: the stability of the TPL is better, in the long time maintain good uniformity of the friction condition.And there's two kinds of TPP and TPS.

     Worth, screen printing ink and pad printing ink is completely generic, just need to add additives to change the printing eligibility.So there is no special pad printing ink, screen printing ink can be used instead.

Select material and ink

      Offset printing method may not be so troublesome, for paper printing eligibility is very good, basic need not consider adhesion problem, but the silk screen printing and pad printing is not so simple, screen printing and pad printing substrate, can not use a printing ink, ink manufacturer is a must to fully adapt to the market to produce all kinds of printing ink.We can put the substrate simply divided into the following:

      1.In plastic in the family, PP and PE, PP, PE is a very big dosage of two materials, the first is that they have good physical properties, chemical corrosion resistance is very good, most solvents are not them, so in the coatings, cosmetics, plastic film and electronic products are widely used.But it is also they hard to printing the reason, because their molecules are polar molecules.At present, the printing of the two materials widely used prepress processing method, the common way is to flame treatment and high frequency.MARABU company production of Pl treatment water is actually a kind of strong oxidizer, rough surface are formed by oxidation material surface to achieve good adhesion of ink.Development from processing PP ink is also the goal of many manufacturers, technology is also the basic mature, but also can't avoid dealing with ink in the PE surface good adhesion.PP series ink MARBU is free treatment of ink.

      Combined with prepress processing, can be used on the surface of the PP, PE, ink varieties more.We discuss here is solvent ink, for UV ink, prepress processing is required, there is no free treatment of UV ink.It should be said that in the current printing technology, printing on PP, PE material, it is difficult to achieve stable quality control.

      2.ABS, PC, PVC, PS, AS some polar material is easy to printing, such AS the materials mostly without prepress processing can be printed, this part of the ink is all manufacturer's strengths.

      3.Glass, metal, ceramic substrates, such as surface there are no absorption properties, according to conventional methods manufacturing printing ink work hard, for the most part use two-component ink.

      There are more and more engaged in pad printing screen printing enterprise, can find products suitable for customers of ink means the ability to get the order.But suppliers according to suitable for this kind of material, to determine whether really can meet the requirements, the key is in accordance with the requirements for testing, if the test effect is not good, might as well change the ink.Sometimes may get the wrong information and technology, must understand the test method, so a lot of ink can't printing method is achieved, and the wrong is an important reason for the results of the test method.If not solve some problem, want to contact timely and ink manufacturers.Preceding narrative provides the important information is, first of all to understand customer's product is what material, secondly to be familiar with the choice of ink information, and then detailed test, until customer satisfaction.Theoretically can not printing products, in fact, many products printing make you worry, the key is to have enough test methods to solve.

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国产麻豆精品久久一二三_国产成年女人免费一区二区三区_人妻AV中出无码内射_亚洲日本韩国不卡中文字幕