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Silk screen printing and other printing way four major difference

Date:2012/9/27 8:20:41 Hits:4921
 Silk screen printing and other printing way four major difference
    1) printing adaptability is strong
Flat printing, letterpress and gravure printing method normally only for printing on flat substrates.Can not only in the plane printing and silk screen printing, can also be curved surface, spherical and concave and convex surface printing on substrates.On the other hand, silk screen printing not only in hard surface printing, also can be printed on the soft material, not restricted by the quality of a material of substrates.In addition, screen printing in addition to direct printing, can also according to the need to adopt indirect printing method, namely with silk screen printing on the gelatin or silicone version first, and then transfer to the substrates.Therefore screen printing adaptability is very strong, wide range of applications.
    (2) the ink layer thick, stereo sense is strong, rich in texture
Letterpress and offset printing ink layer thickness is commonly 5 microns, gravure of 12 microns, flexible printed version (aniline) ink film thickness of 10 microns, and silk screen printing ink layer thickness is far more than the ink layer thickness, generally up to 30 microns.Special printed circuit board with thick silk screen printing, ink layer thickness to 1000 microns.Foam with foam ink printing braille point yu, ink layer thickness is 300 microns.Silk screen printing ink layer thick, print rich simple sense, stereo sense is strong, this is other printing method can not be compared.Not only can screen printing monochrome printing, also can undertake chromaticity and color printing.
     (3) light fastness is strong, bright color because the silk screen printing has the characteristics of the bearing, so it can be used to all kinds of printing ink and coating, not only can use the slurry, bonding agent and various kinds of pigments, also can use coarser particles of paint.In addition, screen printing ink mixing method is simple, for example, can put the light paint directly into the ink mixing, this is the another big characteristic of silk screen printing.Screen printing products with strong light fastness of great advantage.The practice shows that by using the black ink in coated paper last impression after comparing measured maximum density range, offset, gravure is 1.4, embossed is 1.4 to 1.6, and the maximum density value of the silk screen printing range can be up to 2.0, so the light fastness of silk screen printing products than other kinds of printing products of light fastness is strong, more suitable for the outdoor advertising, signs.
     (4) printing area is big general offset printing, letterpress printing methods, such as the printing area size sheet size, maximum exceed sheet size, is subject to the conditions of mechanical equipment.Can undertake large printing and silk screen printing, today's biggest screen printing products up to 3 m * 4 m, is even greater.
Above all is the difference between silk screen printing and other printing at four o 'clock, characteristics and advantages of screen printing as well.Understanding the characteristics of the silk screen printing, on the selection of printing method, can foster strengths and circumvent weaknesses, highlight the advantages of screen printing, to achieve a more ideal printing effect.
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