The tension of the mesh may be too high. In the case of excessive tension, the screen becomes brittle and the mesh is stretched to the point where it begins to be damaged. The tension in the screen becomes uneven, causing trouble in halftone printing.
So how much tension is enough? This will depend on many factors, but we have found that the best results are obtained at a tension of 40 N/m, especially when printing on a white background. We can easily increase the tension of mesh fabrics of 62, 77 and 90 mesh/cm to 40 N/m. The higher the mesh size of the screen, the smaller the maximum mesh tension that can be achieved before failure—I don't know who can stretch a mesh of 120 mesh/cm to a tension of more than 26 N/m. Each manufacturer's mesh has its own characteristics, and some manufacturers' mesh fabrics are able to withstand the maximum tension less than other manufacturers' mesh. You can go online to find the maximum tension table recommended by different mesh manufacturers.
So how much tension is enough? This will depend on many factors, but we have found that the best results are obtained at a tension of 40 N/m, especially when printing on a white background. We can easily increase the tension of mesh fabrics of 62, 77 and 90 mesh/cm to 40 N/m. The higher the mesh size of the screen, the smaller the maximum mesh tension that can be achieved before failure—I don't know who can stretch a mesh of 120 mesh/cm to a tension of more than 26 N/m. Each manufacturer's mesh has its own characteristics, and some manufacturers' mesh fabrics are able to withstand the maximum tension less than other manufacturers' mesh. You can go online to find the maximum tension table recommended by different mesh manufacturers.
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