Precautions for the most popular use of ink

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Precautions for using ink

1. Check whether the ink printed on the machine is the type of ink required by the customer, so as to avoid major printing errors caused by wrong colors

2. Fully stir the ink before using the machine. The ink will be layered after long-term storage, but the quality will not be affected

3. It is best to add about 10kg of ink when running the machine to avoid excessive ink evaporation. If 10g is not enough, add it slowly and appropriately to the printing machine

4. When foaming occurs during printing, you can purchase the corresponding water-based defoamer from the ink supplier and add it appropriately, generally the proportion is 1%

5. When printing ink on the machine, the printer should pay attention to the consistency between the viscosity of the ink and that of the machine, so as not to affect the printing effect

6. In the printing process, the quality inspection personnel should strictly control the color. When the color deviation is small enough to reach the accuracy of 1%, the printer commander can solve it by mixing the viscosity of the printer or ink. When the color deviation is large, inform the inker of the ink supplier for improvement

7. When printing, the printing effect is poor, for example: the dot printing is not clear, and the font printing is not clear, which will not only cause wear and scratches on the surface of some parts; Clear, poor overprint effect, etc., the quality inspection should immediately notify the ink supplier to solve

8. The machine viscosity of ink must be controlled. Generally, the machine viscosity of each printing machine should be recorded, so that the next printing can save time and reduce the waste of paper

9. The carton factory should buy some related additives from the ink company, such as wear-resisting agent (to prevent fading), diluent (to adjust viscosity), overprint agent (to make overprint effect better), etc., and add them appropriately

10. After printing, the remaining ink must be sealed, and the trademark must be pasted to make it a new engine for the transformation of the city, so as to ensure the use of the next printing to avoid waste

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