| 摘要 |
PURPOSE: A resin composition for white laser marking is provided to enable white marking with excellent whiteness on the surface of plastic molding products by laser irradiation. CONSTITUTION: A resin composition for white laser marking includes, based on 100.0 parts by weight of a thermoplastic resin or thermosetting resin, or their mixed resin, 0.01~5 parts by weight of black pigment, and 0.05~40 parts by weight of alkali metal compound. The black pigment is one kind selected from carbon black, titanium black, furnace black, acetylene black, lamp black, aniline black, and sulfur black. |
