1. Storage Conditions for New Ink The viscosity of the ink decreases as the temperature increases, and the viscosity decreases as the temperature decreases. Some inks placed in the environment below 3°C or below 0°C will freeze into a jelly state. The so-called gelling phenomenon occurs. If the ink is “gelledâ€, it usually needs to heat up to 5-10°C above the gel point to restore the original state. Therefore, in cold areas, the winter storage of ink should pay special attention.
When storing ink in winter, it should be stored in a non-fire source, try to warm it in some rooms, and avoid stacking outdoors. If gelation occurs, please put it in hot water and return it to its original condition before use. If the remaining insoluble matter that cannot be completely restored to the original state remains, it may cause troubles such as clogging of the mesh during printing, and clogging of the plate surface. For the sake of prudence, filtering and then using a metal mesh can eliminate these malfunctions.
2.Adjustment during storage of new inks Even if the ink is new, long-term storage does not move, the various components of the ink formulation sometimes also occur separation and precipitation phenomena, sometimes rust the inner wall of the container, resulting in failure in printing, In order to avoid these problems, they must be used in sequence according to the number and order of the warehouses.
3. The use of ink mixing As mentioned earlier, the long-term storage of ink, often in the formulation evenly mixed components stratification, or produce precipitation. Therefore, even if the new ink is used, the ink tank must be inverted and shaken, or used after being stirred.
4. Regarding the management of the remaining ink Since the solvent used for the gravure plastic ink is a low-boiling-point solvent, the volatilization during the printing process may cause the mixing ratio of the solvent to be misaligned, or the surface of the ink or the surface of the roller due to the temperature drop caused by the volatilization of the solvent. Extremely cool, so that the moisture in the air penetrates into the ink.
In the printing process, due to the debris of the film and the electrostatically-inhaled dust mixed with the ink and other reasons, especially the pattern area is small, and the amount of ink is less likely to change. The remaining ink tends to have a lower viscosity, and separation and precipitation occur faster. Therefore, when it is reused, it must be fully stirred or filtered with a mesh of 1000 mesh or more, and then mixed with the new ink for digestion.
If you continue to store it, it must be sealed, marked with the type of ink, attached with the mark, and placed in a dark place.
When storing ink in winter, it should be stored in a non-fire source, try to warm it in some rooms, and avoid stacking outdoors. If gelation occurs, please put it in hot water and return it to its original condition before use. If the remaining insoluble matter that cannot be completely restored to the original state remains, it may cause troubles such as clogging of the mesh during printing, and clogging of the plate surface. For the sake of prudence, filtering and then using a metal mesh can eliminate these malfunctions.
2.Adjustment during storage of new inks Even if the ink is new, long-term storage does not move, the various components of the ink formulation sometimes also occur separation and precipitation phenomena, sometimes rust the inner wall of the container, resulting in failure in printing, In order to avoid these problems, they must be used in sequence according to the number and order of the warehouses.
3. The use of ink mixing As mentioned earlier, the long-term storage of ink, often in the formulation evenly mixed components stratification, or produce precipitation. Therefore, even if the new ink is used, the ink tank must be inverted and shaken, or used after being stirred.
4. Regarding the management of the remaining ink Since the solvent used for the gravure plastic ink is a low-boiling-point solvent, the volatilization during the printing process may cause the mixing ratio of the solvent to be misaligned, or the surface of the ink or the surface of the roller due to the temperature drop caused by the volatilization of the solvent. Extremely cool, so that the moisture in the air penetrates into the ink.
In the printing process, due to the debris of the film and the electrostatically-inhaled dust mixed with the ink and other reasons, especially the pattern area is small, and the amount of ink is less likely to change. The remaining ink tends to have a lower viscosity, and separation and precipitation occur faster. Therefore, when it is reused, it must be fully stirred or filtered with a mesh of 1000 mesh or more, and then mixed with the new ink for digestion.
If you continue to store it, it must be sealed, marked with the type of ink, attached with the mark, and placed in a dark place.
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