Practical Tips: Daquan related terms of gravure ink

Ink terms for gravure printing

1. Gravure gasoline ink: gravure ink with chain as the main solvent.

2. Photogravure water-based ink: Photogravure ink that can be diluted with water.

3. Gravure PVC film ink: suitable for printing PVC film on gravure printing machine.

4. Alcohol-type gravure ink: the alcohol used as the main solvent is suitable for gravure printing ink.

5. Engraved gravure printing: ink suitable for engraved gravure printing banknotes and securities.

6. Gravure ink: ink suitable for gravure printing book inserts, pictorials, stamps, etc.

7. Photogravure benzene type ink: photogravure ink with aroma as the main solvent.

8. Gravure plastic film ink: ink suitable for printing on pre-treated polyene, film and other surfaces of gravure rotary printing machine.

9, gravure thermal composite plastic film ink: suitable for gravure printing machine printing pre-treated polyene or polyester film and can meet the thermal composite process of ink.

10. Intaglio cold composite plastic film ink: suitable for gravure printing machine to print pre-treated polyolefin or polyester film and can meet the cold composite process ink.

Common fault terms of gravure ink

1. Floating dirt: Also known as ink water, it means that the constituent materials of gravure ink are combined with fountain solution to make the non-graphic dyeing areas of printing plates and printed products have subtle colors.

2. Greasy: The ink repellency of the non-graphic area of ​​the printing plate is not good, and the lines and dots of the printed product are spread out and expanded, and the graphics are not clear enough.

3. Dirty: Many ink stains appear in the non-graphic area of ​​the fingerprints.

4. Paste plate: Ink that is too thick and too sticky causes paper particles, ink skin and other particulate impurities to concentrate on the dots of the printing plate on the printing machine, making the printed product blurred.

5. Through-printing: The ink on the fingerprints penetrates from the paper surface to the back of the paper and oil marks often appear on the edges of the imprint.

6. Cover light penetration: refers to the use of solvent-resistant ink for printing. When the solvent-based cover oil is covered, there is a bleeding scene around the print of the printed product, and the dots are blurred.

7. Pinhole: refers to the scene that the ink cannot properly wet the surface of the substrate and the bead-shaped small hole appears.

8. The disappearance of fine dots: refers to the phenomenon that the fine dots in the printed matter disappear because of the insufficient oiliness of the lithographic ink or the acidity of the dampening water is too large, and the amount of water supply is too large.

9. Poor filling: refers to the fact that the engraved gravure ink is too thick, too sticky or too thin, so that the thin lines of the printed product are discontinuous and there is a broken scene.

10. Spots: refers to the presence of dark and light color spots on the substrate.

11. Pulverization: refers to the scene where the ink is printed on the substrate and can be wiped off after drying.

12. Ink pile: refers to the scene that the ink is accumulated on the printing plate, ink roller and blanket in the printing process, so that the printing cannot be carried out smoothly.

13. Dirty: refers to the scene where the ink is fixed too slowly, so that the pollution is pressed on the reverse side of the printed product.

14. Crystallization: refers to the situation that the ink is printed on the substrate because it is excessively dry and the outer conjunctiva is too smooth, so that the post-printed ink cannot be printed completely or not at all.

15. No ink: refers to the inconsistency of the ink amount or no ink at all because the gravure ink cannot be smoothly transferred on the ink roller during the printing process, so that there is a scene of inconsistent and increasingly shallow color printing.

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