Silk screen: practical and anti-counterfeiting

Silk screen: practical and anti-counterfeiting

What is screen printing? Screen printing belongs to stencil printing. It is called four printing methods together with lithography, embossing, and gravure printing. It is the use of silk fabrics, synthetic fabrics, or metal meshes that are stretched over the frame. A stencil printing plate or a photochemical plate making method is used to make a screen printing plate. In modern screen printing technology, screen printing plates are produced by photolithography using photosensitive materials (such that the screen holes in the graphic portion of the screen plate are through holes, and the screen holes in the graphic portion are not blocked. live). During the printing, the squeegee presses the ink through the mesh part of the graphic part and transfers it to the printing material to form the same image as the original. It is said that it can be printed except that the air and water cannot be printed. "Universal printing method".

The main advantages:

1. The printing adaptability is extremely strong. The surface of different printing materials such as metal, plastics, ceramics, glass, paper, and fabric can be printed on different types of printing surfaces regardless of the size of the printing area. Any other printing methods cannot be compared and replaced. ;

2, simple process, less investment, quick effect;

3, thick ink layer, strong three-dimensional, good ink, bright color;

4, can use a variety of types of ink: oil, water, synthetic resin emulsion type, powder and other types;

5, strong light resistance, better color than offset printing;

6, printing format large;

7, with anti-counterfeiting features.

Limitations:

1. It is not suitable for reproducing originals with fine lines and dots;

2, register accuracy is poor;

3, slower speed;

4, only suitable for the expression of text and bright lines of monochrome sets of original manuscripts and large contrast, clear-colored manuscripts. Applicable areas: a large number of cigarette labels and high-grade wine labels, beautifully printed, and anti-counterfeit;

Future trends: The research and development of water-based screen printing inks has attracted the attention of screen printing material companies and screen printing processing companies; screen printing materials will be developed in the direction of high quality, water-based inks, high-mesh screens, high resolution The photosensitive adhesive will be the future direction of development. In the past, the mid-to-high end market for photosensitive adhesives was occupied by foreign products. Now some domestic manufacturers have begun to produce resin-type photosensitive products with high resolution and high printing rate. The domestically produced low and medium grade screens can basically meet the needs of the domestic market, but they are high-grade. Wire mesh still needs to be imported, and research and development of high mesh screens will be the future direction of development. Screen printing will play a major role in the field of security printing. The combination of screen printing and traditional printing will be used more widely.

Silk screen equipment international protagonists: Austrian MHM, US M&R, Australian TAS, etc.;

Domestic masters: Shanghai Dayang, Shanghai Sanyin, Shunde Yong'an, Shunde Kiri, Shanghai Shuo Xing, etc.;

End-user representatives: Shenzhen Jinwei, Tsingtao Beer, Budweiser, Wuhan Red Dragon, Yunnan Hongta, etc.