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Fountain SolutionFountain solution, also known as dampening solution, is an acidic, water-based chemical mixture used in offset lithography to wet the non-image areas of a printing plate. By forming a thin, continuous hydrophilic barrier, it repels the oily, hydrophobic printing ink, establishing th

Offset printing ink is a highly viscous, paste-like printing consumable formulated specifically for offset lithography, relying on the physical-chemical mutual repulsion of oil and water to transfer images. Unlike liquid packaging inks, it has high tack and viscosity to split cleanly through complex