To provide ink for marking that prevents both cracks generated by contraction on a surface of a coated film, which is coated on a non-absorption surface of a tire or the like, after drying of the coated film and cracks generated by acting a stress on the coated film by curving the coated surface while satisfactorily maintaining hiding power/dryness of the coated film.MEANS FOR SOLVING THE PROBLEM: Ink for marking contains at least an organic solvent, and a resin, a coloring agent and a castor oil fatty acid derivative that are soluble in the solvent, in which a blending amount of the castor oil fatty acid derivative is 2.0-8.0 wt.%.SELECTED DRAWING: None
マーキング用インキ
2023-06-13
Patent
Electronic Resource
Japanese