Colour agent for road marking material and road marking material using the same

摘要

A colour agent for a road marking material comprising composite particles having an average particle diameter of 0.01 to 10.0 mu m, said composite particles comprising: inorganic particles; a gluing agent coating layer provided on the surface of said inorganic particles; and an organic pigment coat provided on said gluing agent coating layer in an amount of from 1 to 500 parts by weight per 100 parts by weight of said inorganic particles.