| 摘要 |
Disclosed is a coloring coating agent comprising at least a binder, a pigment, and a dispersing agent, the binder being sol obtained by a partial reaction of an organic silicon compound, the pigment being a mixture comprised of a red rouge pigment and a yellow organic pigment in a ratio ranging from 1:10 to 2:1 by weight, the red rouge pigment having a spherical particle shape and a particle size of 0.1 to 0.3 mum, the yellow organic pigment having a particle size smaller than or equal to 0.3 mum, and the binder (solid portion) and the pigment being mixed in a ratio ranging from 2:1 to 2:5 by weight. The coating agent is useful in coloring a bulb for lightning equipments of vehicles yellow.
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