6. Surface tension .
The surface tension of the ink is related to the transfer properties of the ink and the stability of the print on the printing surface. This relationship is even more pronounced when printed on glossy materials, especially plastic surfaces. For example, when the surface tension of the ink is greater than the surface tension of the printing surface, the imprinting will shrink, even fisheye-like holes; if the surface tension of the printing surface and the ink is similar, and the surface tension of the screen is greater than that of the printing surface. When the surface tension, the printing will appear blocking phenomenon. These conditions can be adjusted by adding surfactants, microcrystalline wax, silicides, etc., so that the surface tension of the ink is equal to or less than the surface tension of the printing surface to obtain a good printing effect.
The surface tension of the ink is related to the transfer properties of the ink and the stability of the print on the printing surface. This relationship is even more pronounced when printed on glossy materials, especially plastic surfaces. For example, when the surface tension of the ink is greater than the surface tension of the printing surface, the imprinting will shrink, even fisheye-like holes; if the surface tension of the printing surface and the ink is similar, and the surface tension of the screen is greater than that of the printing surface. When the surface tension, the printing will appear blocking phenomenon. These conditions can be adjusted by adding surfactants, microcrystalline wax, silicides, etc., so that the surface tension of the ink is equal to or less than the surface tension of the printing surface to obtain a good printing effect.
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