Emulsion ink for stencil printing

摘要

An water-in-oil (W/O) emulsion ink for stencil printing is provided, which is excellent in emulsion stability. The water-in-oil (W/O) emulsion ink has an oil phase and a water phase, in which a water-insoluble colorant is contained in said water phase, and said water-insoluble colorant comprises an insoluble azo pigment. The insoluble azo pigment contained in the water phase perferably has an average particle size of 1 mu m or less. The emulsion ink is perferably formed by use of an emulsifier having an HLB of 1.5 - 6.0, and the water phase perferably has a maximum particle diameter of 10 mu m or less.