As a crucial component in water-based inks used for printing, proper storage is essential to maintain the quality and performance of the ink. Here are some key considerations to keep in mind during storage:
The ideal storage temperature for water-based inks is typically between 5°C and 30°C. It's important to avoid storing them in environments below 0°C, as freezing can damage the ink's chemical structure. Additionally, these inks should never be left exposed to direct sunlight or stored in open-air conditions, as excessive heat and UV exposure can cause degradation and reduce shelf life.
Most gold and silver inks have a shelf life of no more than six months, while other types of water-based inks generally last up to one year. If the ink has passed its expiration date, it may still be usable if it hasn't formed a gel-like texture. However, if you notice any layering or sedimentation on the surface, simply stir the ink thoroughly before use to restore its consistency.
After printing, any leftover ink should be stored separately in sealed containers and placed in a cool, dry location. When reactivating the ink for future use, it's recommended to filter it through a mesh with at least 80 mesh to remove any skin or foreign particles. This helps ensure the ink remains clean and free from contaminants that could affect print quality.
Proper handling and storage not only extend the life of the ink but also help maintain consistent color output and print performance. Always check the condition of the ink before use, especially after long periods of storage, to ensure it meets your printing requirements.
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