Adhesive silk screen bonding technology and its application analysis (in)

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2.2.1 The partial glazing of offset printing products adopts a well-printed screen plate (as shown in Fig. 2, the parts that need to be glazing are dripping printing meshes, and the non-glazed parts have no meshes) and UV glazing agent (as screen printing Ink) Screen printing of semi-finished offset printing products. The printed product obtained after drying is partially glazed. Silk screen coating is characterized by a thick film and strong three-dimensional effect. Because the coating parts are all important graphic parts, the glossiness after polishing is much higher than the non-glazed part around it, and it has a strong sense of convexity, which constitutes a visual effect of highlighting and expanding contrast. , so that the print on the different parts of the existing color changes, but also changes in gloss. Such a localized adhesive screen printing bonding process can be used for decorative processing of a variety of color prints, especially book covers, high-end product specifications, and color box printing.

2.2.2 Metal cardboard High-grade packaging printing Common metal cardboard high-grade packaging boxes are mostly plastic screen printing bonding products. The most common one is tobacco and wine packaging with imitation metal etching (frosting) and “ice flower” printing effect. box.
On the silver card paper, the color ink is first printed by an offset printing process, and then a layer of uneven semi-transparent UV imitation metal etching ink or UV "ice flower" is printed by a screen printing method. After the ink is cured by UV light, the former can be etched or frosted similarly to a shiny metal surface, and the latter can be formed into a crystal clear, dense block pattern like the “ice” on the glass window. Make print elegant, novel and unique.
2.2.3 Printing with special decorative effects The use of various kinds of special silk screen printing inks on the color offset printing products enables the printing products to achieve various decorative effects, as shown in Table 1.
Table 1 Common special effects on offset printing products Screen decoration printing
Use of screen printing inks Printing effects Product objects Foaming inks Graphically embossed and embossed Wall paper, greeting cards, boxes Aroma inks Products Floating fragrances Books, greeting cards, business cards, calendars, packaging prints, etc. Pearlescent inks Reflected or flashed Pearlescent luster Crystal inks such as packaging boxes, business cards, books, greeting cards, children's books, gift wraps, bags, etc. resemble a layer of glass crystallized film and have glass special effects. High-grade cigarette cases, greeting cards, children's books, covers, cartoons, etc. Phosphorescent and fluorescent ink reflections Or flash phosphorescent or fluorescent color high-grade cigarette cases, greeting cards, children's books, covers, gift wraps, cartoons, trademarks and other liquid crystal inks have the luminous effects of liquids and crystals, and can change color cards or children's books with the temperature or light. Covers, gift wraps, cartoons, trademarks, etc.

2.2.4 Anti-counterfeit processing of silk-screened products Screen printing The most common method for anti-counterfeiting of offset printing products is the printing of laser images, and the use of laser anti-counterfeiting film materials to first use the offset printing process to form the basic graphic of the printed product (it does not have anti-counterfeiting) , And then use silk screen printing method to form the logo of the printing product security; or use ordinary printing paper to use the offset printing process to print basic graphics, then use laser anti-counterfeiting film to print holographic or laser adhesive or pressure sensitive adhesive trademark. , After the transfer or pressure-sensitive transfer on the offset product to form a security mark.
Another method of anti-counterfeiting for screen printing products is the use of various anti-counterfeiting inks. Offset printing on offset printing products uses a variety of anti-counterfeiting inks for screen printing on offset printing products, such as the use of some external light imaging transparent ink in offset printing. The product is printed and visually indistinguishable from ordinary prints. However, with a money detector, an invisible graphic appears.
Screen printing commonly used anti-counterfeiting ink in addition to ultraviolet imaging transparent ink, there are photochromic inks, thermochromic inks and a variety of special inks. (To be continued)

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Corten Steel Metal Garden Screens

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Normal size 900*2*1800mm,color will be rusty red.

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Name Corten Steel Metal Garden Screens
Material Corten steel
Size 900*1800mm
Steel thickness 2mm
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