The printing ink is mainly composed of pigments, binders and additives, etc. It is uniformly mixed and rolled repeatedly to form a viscous colloidal fluid. Any packaging can not be separated from printing, so how to store the printed ink?
The printing ink is mainly composed of pigments, binders and additives, etc. It is uniformly mixed and rolled repeatedly to form a viscous colloidal fluid. Printing is inseparable from ink, how to store ink better? The editor of Huayin introduces you in detail from 6 aspects including ink safety and ink temperature!
1. Safety first, keep the ink storehouse away from fire and heat as much as possible to prevent accidents. To do a good job in safety protection, there must be supporting equipment for fire fighting equipment.
2. It is best to maintain a constant temperature in the ink warehouse, and the temperature difference with the printing workshop should not be too wide. If the temperature difference between the two is large, the ink should be put in the printing workshop in advance, which is not only conducive to the stability of the ink performance, but also ensures the high efficiency of production. It is best to have a full-time ink manager to arrange the ink correctly and place it reasonably according to the safety standards of the ink storehouse.
3. In some areas in the north, it is relatively cold in winter, and it should be avoided to store the ink outdoors to prevent the ink from gelling at low temperatures. If gelation occurs, transfer it to a warehouse with high temperature or put it in hot water to restore the insoluble matter to its original state.
4. The principle of "first in first out" should be followed in ink storage and management, that is, the ink purchased first should be used first to prevent the ink from affecting its use effect due to the long storage time.
5. The ink also has a certain shelf life. If it is stored for too long, various components in the ink will separate and precipitate. Therefore, the ink should not be stored for a long time, and the general storage period is one year.
6. The remaining ink must be sealed and stored in a dark place after printing. Before reuse, it must be filtered with a filter mesh of more than 100 mesh, and then mixed with new ink after fully stirred.
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