ZW Paper Gravure Ink
Key words:
Classification:
Detailed introduction
1. Adaptation Substrate
All kinds of packaging paper, such as coated paper, cardboard, cellophane, purified metal foil and metal composite paper products such as gold and silver card paper and laser paper.
ZW type ink is mainly used for packaging paper, tissue paper, cigarette bags, wine bags and other paper packaging gravure printing.
2. to provide products
Can be prepared according to customer requirements to provide spot color ink, there are also a variety of base color ink and ink to provide customers with their own spot color ink. Cooperate with paper printing and the corresponding gold oil, silver oil and pearl powder oil, and can be prepared according to customer requirements into different colors of transparent bright oil. Cigarette bag printing generally needs varnish, specially providing environment-friendly alcohol varnish and water-soluble varnish suitable for cigarette bag printing, with good post-processing such as bronzing after printing.
3. diluent ratio
| Diluent type | Ethyl acetate | Alcohol or isopropyl alcohol | propylene glycol methyl ether |
| Low-odor fast-drying type | 70 | 30 | 0 |
| Low-odor quick-drying type | 50 | 50 | 0 |
| Low odor standard type | 30 | 70 | 0 |
| Low odor slow drying type | 30 | 50 | 20 |
The above recommend ratio is only for reference when preparing diluents, because ZW series inks have a wide range of adaptability to diluents.
Quick drying agent: ethyl acetate
Slow drying agent: propylene glycol methyl ether
In view of the high environmental protection requirements of cigarette package printing and the requirement of no peculiar smell, the diluent should try to use ethanol/ethyl ester/propyl ester and other low toxicity and low residue solvents.
The printing viscosity of ZW ink can vary according to the performance of the substrate, the depth of the gravure and other printing conditions. Generally, it can be printed by Zahn No. 2 cup at 25 ℃ with a flow rate of 18-25 seconds. The specific viscosity is determined by the customer's printing conditions.
4. ink odor
The drying performance of ZW ink itself is good. After proper solvent dilution, the dry film of the ink after printing and drying has the advantages of low odor and low solvent residual value.
5. considerations
Avoid storing diluted ink, because the diluted ink is placed for a period of time and the toner is not easy to disperse again, the luster of the ink becomes worse, the color strength becomes weaker, and the problems such as pulling lines are easy to appear in printing.
* This information is synthesized according to the actual production and experiment. Whether the product performance is suitable for your company's requirements depends on the specific application conditions and whether the materials to be printed meet the requirements. We suggest that users should know whether the product meets their requirements before starting printing. Since we cannot predict or control the conditions of use of your products, we cannot guarantee the effectiveness of your products. *
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