| abstract |
It prevents agglomeration of the pigment fine particles, and when blended with cosmetics, paints, etc., prevents the appearance and the feeling of use such as elongation on the skin is good, and elongation on the substrate is good. Provide the Wheesung flakes.n n n It is a black bright flake which uses as a base material the metal oxide derived from a metal oxide colloid particle, and disperse | distributes 5-70 mass% of black pigments inside. Black bright flakes have an average particle diameter of 3 to 500 µm, an average thickness of 0.1 to 5 µm, and an average aspect ratio of 5 to 300. |