How to choose the correct mesh size

- Jul 13, 2017 -

Different mesh sizes apply to different screen printers. The mesh size is measured by the number of nets per square inch. For example, 110 screens have 110 lines per square inch. The higher the mesh count, the finer the threads and holes on the screen. The size of the mesh is strongly associated with the degree of detail of your image and the thickness of the ink you use. If you have a very high level of detail, a lower mesh screen will not maintain a high level of detail. The thin lines or dots in the image will only pass through the holes of the mesh, without giving you the correct representation of the image. If you use thinner ink, the ink will also pass through the larger hole and soak in your shirt or substrate to blur your image because the ink will bleed. On the other hand, if you want to print a thicker ink (such as white) to a high screen screen, almost no ink will be printed out through the mesh. You will find that different companies have different sizes. If the mesh count is quite close to, such as the difference between 155 and 156, 196 to 200, or the difference between 81 and 86, the difference was so small, so it doesn't matter in the end result. Since there are many variables in screen printing, we can't tell you exactly what the application's mesh size is. But we can give you a rough outline for some types of printing.

Your basic and standard mesh size is 110 and 156.110 the net covers a rather thick layer of ink. It is suitable for block text and a larger point color design. It's also a recommended screen for white flash, because a lot of times you just need to make a print impression so you can speed up production. The 156 mesh can also be coated with thicker ink on the screen, but thanks to a more sophisticated mesh, your image will have a higher level of detail. In addition, if you print a thinner ink, you may want to use 156 mesh eyes, so you won't have too much ink on your screen. Lower net number, such as 40-86, for flash and flash ink. These inks contain particles that do not pass through the typical mesh size. Therefore, you need a lower number of nets so that all the particles can pass correctly. Flashing plastic ink has better particles, so you might use an 86 mesh, while flash ink has bigger particles, so it's recommended to use 40 or 60 screens. The 200 and 230 meshs are used for finer images and thinner ink. These mesh sizes can have a larger halftone, but do not recommend four-color printing or semi - tone printing. In addition, a thinner graphic and solvent silk screen can be used to match these mesh sizes. In addition, if you want a softer feel, you can print through these high mesh items so that less ink can be passed through the screen to give you a softer feel on your shirt. However, it may become difficult, a lot of times, for art, this is a kind of sad pain, but if you want a bright colour, especially white), you will be very hard with these higher mesh for thick enough transparency. The 305 mesh is used for extremely high detail textile printing and fine semi-tonal four-color process and simulation process printing. Learn more about the process print here. Fine semi-sound requires fine mesh to keep and expose. Higher meshs, such as 355, 380 and 400, are mainly used for graphic printing with UV ink. Ultraviolet ink is very thin and is often used for printing on signs, banners or CDS. Using a higher net hole allows the printer to use UV printing to adjust the amount of ink through the screen.

Exposure explanation: due to the holes in the mesh, different mesh sizes have different emulsions. For example, 110 screens will have more emulsion, and then 305 screens. Although this difference is not very large, you must adjust the exposure time according to the different mesh size.  thinner mesh screen allows for less emulsification, so that a lower mesh hole can be exposed more quickly, with more emulsion inside. However, the differences are small, so you may only need to change 5-10% in different directions, depending on the size of the mesh to get the maximum exposure.



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