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1. High Viscosity Rosin modified phenolic resin has a large molecular weight and a high viscosity, so the rosin-modified phenolic resin web transfer offset ink has a high viscosity which cannot be achieved by other web transfer offset inks. High-viscosity ink has strong cohesive force. During the printing process, the performance is basically maintained through changes such as transfer, stretching and splitting, which meets the needs of today's high-speed printing.
In addition, because the phenolic resin has a large molecular weight, a high softening point and a high viscosity, the rosin-modified phenolic resin web transfer offset ink has good water resistance and gloss, and has strong adhesion, good abrasion resistance, and fast drying speed.
2. Low viscosity The viscosity of the ink is not as good as possible. Only the ink with "high viscosity and low viscosity" is the ideal ink. Rosin modified phenolic resin is not only high viscosity. Moreover, it has good oil solubility and meets the low viscosity requirements of web offset printing inks. "High-viscosity, low-viscosity" ink has a good transfer, S raw and printability, printing dot complete, full, reproducible, graphic and clear.
3. Good flowability Rosin modified phenolic resin webs have high viscosity but good fluidity. In high-speed printing, ink with good fluidity can successfully complete the transfer, transfer, printing and other processes.
4. It has good stability and strong adaptability. Rosin modified phenolic resin web transfer printing ink has three characteristics: high viscosity, low viscosity, and excellent fluidity. It ensures the stability of ink, strong adaptability, and can meet the high-speed printing. The needs are not easily affected by the printing environment.
The characteristics of phenolic resin offset ink
Rosin modified phenolic resin web transfer offset ink has many excellent properties, mainly as follows.