Optical disc printing technology - waterless offset printing

Optical disc printing technology - waterless offset printing

Now on every disc, there will be exquisite portraits, words, and pictures, which is the printing technology printed on the disc. With the continuous innovation of disc printing technology, a most suitable technology for disc printing has been produced - waterless offset printing technology. Do you know about waterless offset printing technology? Today, we will talk about the characteristics of waterless offset printing technology. 1. Thin ink layer The ink layer of offset printing is generally 2~3 μm, compared with screen printing, the ink layer of offset printing is thin, and the three-dimensional effect is also poor. Correspondingly, its ink light curing speed is fast, ink consumption is less, it is not easy to cause deformation of the disc due to the shrinkage of ink, and has little impact on the flatness of the platter, which is especially suitable for the printing of DVD discs. 2. Good reproduction effect of printed graphics Offset printing belongs to the indirect transfer method, which is to transfer the graphics and texts on the printing plate to the blanket, and then transfer them to the printing surface of the disc, so the dot deformation of offset printing is small. Disc offset printing is different from traditional paper printing, all waterless offset printing, its biggest feature is that it does not need ink balance, and the structure of the waterless plate is relatively fine, the number of lines of offset printing can reach 175~200 lines/inch, the printed pattern is clearer, the texture is strong, the color reproducibility is good, such as printing some transitional colors when the effect is better, suitable for printing graphics and texts with the theme of characters, landscapes, etc., especially some mesh tone products that need multi-color overprinting, the effect is better. 3. Less drying times The substrate of optical disc printing is polycarbonate plastic with high brittleness, and it is easy to warp the disc during printing, especially in the process of light curing of the ink, the disc is very prone to this quality problem. In screen printing, each color should be dried separately, and offset printing only needs to be dried once after the completion of four-color printing, which is especially suitable for the printing of DVD discs, because the thickness of DVD discs is equivalent to 2 CD discs with a thickness of 0.6mm are laminated together, and the thickness tolerance is small (CD is 200μm, DVD is 1OOμm), the flatness is also higher, and the number of drying times is less, which will inevitably reduce the possibility of disc warping. 4. High cost The cost of offset printing equipment is higher, when the optical disc offset printing equipment has just been put into the market, its price is about 5-6 times that of screen printing equipment, even now, the price of an offset printing equipment can still buy 2-3 screen printing equipment. Many people in the industry are very optimistic about the application of waterless offset printing in optical disc printing, and some people even say that this is the general trend, and this printing method with great potential is respected by many related suppliers and has been developed rapidly. The above is a summary of waterless offset printing technology, do you have a more understanding of disc printing? If you have other printing questions, please go to this Knowledge Channel. If you have corresponding printing needs, you can enter this merchant channel to understand.