The different between screen printing and digital printing
Silicone ink used in screen printing
In recent years, silk screen printing and digital printing are the most frequent printing way on garment printing market, silk screen printing commonly use silicone ink, plastisol printing ink , with the requirements of environmental protection all over the world, and consumer demand for clothing wearing comfort, more and more clothing manufacturers start using silicone as garment printing material, The following are the effect drawing made by our company using silicone ink.
Silicone ink screen printing
Compared with the modern technology of digital and laser printing, screen printing is undoubtedly an ancient handicraft, which originated in China and has a history of more than two thousand years. It has become an indispensable part of our life in the modern printing industry.
While we complete the textile pattern design, then choose a professional institutions to use private custom method to make their own design on the screen. The graphic part of the design is larger in the mesh on the screen, silicone ink can penetrate into the under medium from mesh, and the rest is impenetrable, so that while use the scraper to scratch silicone ink, the design pattern will be accompanied by hollow penetration on the fabric below to form a pattern.
Screen printing is mostly manual operation, the printing method is simple and fast, after printing and baking then done, suitable for various of fibers. But while in operation,silicone ink and scraping ink technique, proficiency are the most important things, the quality of silicone ink, the severity of the technique will affect the final result.
Most screen printing products are made of at least three color .the more the color, the higher the cost and technical requirements. Color layer more prone to dislocation, at the same time higher requirements for the accuracy of screen mesh size , so as to make a good gradient or desalination effect and natural color transition.
For example, Hermes silk scarves complex design pattern about dozens of colors, the pattern is complex, the production will appear big deviation in case of small mistakes, the material and technical requirements of silk scarves production are very high, but why Hermes not use digital printing ?
First of all, Hermes scarves have always been printed by hand, that her tradition. Second, it is widely recognized that handmade scarves are often more high-end and reflect status than machine-made. In fact, it doesn’t mean that screen printing is better or superior than digital printing, both technology have their own advantages and disadvantages.
Digital printing
Digital printing occupies an irreplaceable position in the modern printing and dyeing process. Now the digital printing in the market is generally divided into two kinds: digital jet printing and paperless digital printing. The operation process of digital jet printing is about: after finish design decorative pattern design, we put the blueprints to fabric printing and dyeing factories, workers use CAD software pattern color separation after treatment and spray printing control software RIP, the use of digital jet printing technology on the transfer paper, through the transfer paper printing dye transfer printing on the fabric. This method is suitable for chemical fiber or blended fabric, because the chemical fiber and blended fabric adsorption dye fastness is stronger and not easy to dye, so the printing and dyeing effect is relatively good.
Print on natural fibers, we usually use paperless digital printing. Before printing , we need to size the natural fiber, use the sizing machine to soak the fabric in the slurry and then dry it. The purpose prevent the subsequent printing dye penetration, ensure the clarity of the pattern, and the slurry additives can promote the dye and fiber binding, make the color fuller. Paperless digital printing does not require steam and soap washing, which is more environmentally friendly, but at the same time, it is expensive to make plates, which is not suitable for multi-type and small-batch orders.
Before choosing a digital print, we first need to determine the fabric, so that we can decide which method to use to unfold the printing and dyeing, and anticipate the printing effect in advance. Secondly, when we provide pattern design samples, we need to ensure that they are vector patterns, because the bitmap drawn by hand or photographed is composed of pixels, and when enlarged, the image will become blurred, affecting the printing and dyeing effect.
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