Specializing in the research, development, and production of eco-friendly water-based inks
Products & Services
Common causes of faults and handling methods
| Fault phenomenon | Cause | Handling method |
| Poor adhesion | 1. The surface treatment of B0PP film is low. 2. The diluent used is impure, containing moisture or other impurities. 3. Other solvents were used as diluents or mixed with different types of inks. | 1. Switch to B0PP film with a surface treatment of 38 dyne or above. 2. Strictly select and use pure solvents. 3. Use appropriate diluents as specified. |
| Dirty printing plate Contamination of printed materials | 1. The surface of the printing plate is rough. 2. The doctor blade has a hairy edge. 3. The angle between the doctor blade and the printing plate is too small, and the pressure is insufficient. | 1. Reprocess the printing plate to improve surface smoothness. 2. Polish with fine gauze. 3. Adjust the angle between the doctor blade and the printing plate, and appropriately increase the pressure. |
| Image and text appear on the printing plate Hairy burrs or floating flowers | 1. The B0PP film has poor antistatic performance or carries too much static electricity. 2. The static elimination device on the printing machine is not functioning. 3. The ink is overly diluted, and the viscosity is too low. | 1. Switch to a film with good antistatic performance. 2. Check whether the static elimination device is properly grounded. 3. Increase the ink viscosity. |
| Faded printed products | 1. Excessive diluent. 2. Printing speed is too slow, and the solvent evaporates too quickly. 3. The printing plate is too shallow. 4. The ink was not shaken well before opening the barrel. | 1. Supplement with original ink. 2. Increase printing speed and use some slow-drying solvent. 3. Remake the printing plate. 4. Pour the ink back into the ink barrel and stir thoroughly before use. |
| Strong odor of printed products | 1. The diluent has an off odor. 2. Excessive use of slow-drying solvents, resulting in high solvent residue. | 1. Switch to pure diluents. 2. Strengthen hot air drying to promote solvent evaporation or switch to fast-drying solvents. |
Sticking back (Plastic film printed into rolls | 1. The ink dries slowly. 2. Printing speed is too high. 3. The hot air device of the equipment is poor. 4. The printing plate is too deep. | 1. Add an appropriate amount of fast-drying diluent. 2. Reduce the printing machine speed or add more fast-drying diluent. 3. Increase the hot air volume. 4. Use a shallower printing plate. |
| Small characters and fine lines cannot be printed | 1. The ink dries too quickly. 2. The printing machine is too slow. | 1. Appropriately add slow-drying diluent. 2. Adjust the machine speed appropriately. |
| Low composite strength | 1. The surface or composite PE film of B0PP film has low treatment. 2. The ink diluent is impure. 3. Excessive solvent residue in the ink film. 4. Poor or inappropriate adhesive selection. | 1. Switch to film with a surface treatment of 38 dyne or above. 2. Strictly select pure diluents. 3. Strengthen hot air drying on the printing machine. 4. Select appropriate adhesives. |
Shaanxi Xinaohua Material Technology Co., Ltd
Contact:
Manager Wang
Telephone:
Address:
South Hualong Road, Fufeng Science and Technology Industrial Park, Jiangzhang Town, Fufeng County, Baoji City, Shaanxi Province