Index Number: Pigment Yellow 138
C.I. Structure Number: 56300
Chemical category: Quinophthalones
Molecular formula: C₂₆ H₆ C1₈N₂O₄
Relative molecular mass: 693.94
Ranbar yellow P3180 is a green-yellow quinophthalone organic pigment, pigment yellow 138, with a hue angle of 95-97 degrees (1/3 SD); bright color, high strength, excellent light and weather fastness and Heat stability.
Mainly used for coatings like automotive coating (OEM), resistant to various organic solvents, resistant to baking temperature of 200 ℃. When used in plastic HDPE, heart resistance up to 290 ℃, but there is a certain size deformation phenomenon, the color fastness to light It is grade 7~8.It is also suitable for coloring on PS, ABS and polyurethane foam; it has excellent acid and alkali resistance and is suitable for coloring architectural coatings.
