Welcome to the manufacturer of water-based inks,UV inks     
Russian RU     EnglishEN     ChineseCN
Water-based ink


How to store gravure ink properly

Date: Dec 25 2024  From: Star Color   


How to Store Gravure Ink Properly: Best Practices for Longevity and Performance

Gravure inks play a crucial role in delivering high-quality prints for various applications, including packaging, labels, and decorative materials. Proper storage of gravure inks is essential to maintain their properties, ensure consistent performance, and minimize waste. Improper handling or storage can lead to drying, contamination, or degradation, affecting the print quality and increasing production costs.

Why Proper Storage of Gravure Ink Matters

Gravure inks consist of pigments, binders, solvents, and additives that work together to produce vibrant, durable prints. These components are sensitive to environmental factors, such as:

  1. Temperature Fluctuations: Can alter viscosity and cause solvent evaporation.
  2. Exposure to Air: Leads to drying or skin formation on the surface.
  3. Contamination: Dust, moisture, or foreign particles can degrade the ink’s quality.

Proper storage prevents these issues, ensuring the ink retains its original properties and performs consistently.

Best Practices for Storing Gravure Ink

1. Maintain the Ideal Temperature

  • Store gravure inks in a cool, dry environment with temperatures between 15°C and 25°C (59°F and 77°F).
  • Avoid extreme heat or cold, as high temperatures can cause solvent evaporation, while freezing can lead to coagulation.

Tip: Use climate-controlled storage areas to ensure temperature consistency.

2. Keep Containers Sealed

  • Always keep ink containers tightly sealed when not in use to prevent solvent evaporation and contamination.
  • Use airtight lids or specialized seals for optimal protection.

Tip: For partially used containers, consider adding a layer of inert gas, like nitrogen, to minimize oxidation.

3. Protect from Direct Sunlight and UV Exposure

  • Store inks away from direct sunlight or sources of UV light, as prolonged exposure can degrade pigments and alter the ink’s composition.
  • Use opaque or UV-resistant containers for added protection.
How to store gravure ink properly

4. Use Proper Shelving and Labeling

  • Place ink containers on sturdy, non-reactive shelves to prevent leaks or spills.
  • Label each container clearly with the ink type, batch number, and expiration date for easy identification and inventory management.

Tip: Implement a first-in, first-out (FIFO) system to use older ink batches first and avoid expiration.

5. Avoid Contamination

  • Ensure tools, such as spatulas or mixers, are clean and dry before coming into contact with the ink.
  • Use dedicated equipment for each ink type to avoid cross-contamination.

Tip: Train staff on proper handling procedures to minimize the risk of contamination.

6. Monitor Ink Viscosity Regularly

  • Store inks in their original state and check viscosity before use to ensure consistency.
  • If adjustments are needed, use the recommended thinners or additives specific to the ink’s formulation.

Tip: Avoid over-thinning, as this can affect print quality and drying time.

7. Follow Manufacturer Guidelines

  • Always adhere to the storage instructions provided by the ink manufacturer.
  • Check for specific recommendations regarding shelf life, handling, and compatible storage conditions.

Tip: Keep the product’s technical data sheet (TDS) and safety data sheet (SDS) accessible for reference.
How to store gravure ink properly

Proper storage of gravure ink is essential for maintaining its quality, reducing waste, and ensuring optimal performance in printing applications. By following best practices—such as maintaining ideal temperatures, sealing containers, avoiding contamination, and adhering to manufacturer guidelines—you can maximize the shelf life of your gravure inks and enhance your printing operations.