"GG Orange" usually refers to Fluorescent Orange GG, which belongs to Solvent Orange 63 and is an oil - soluble dye. Here is the relevant introduction: Characteristics - Color and Fluorescence: It has a bright fluorescent red - orange color with strong fluorescence. The color is eye - catching, and it can present a strong fluorescent effect even at low - concentration coloring. - Heat and Light Resistance: Its heat resistance can reach 300℃, and it has excellent light resistance. The color remains stable under long - term illumination and is not easy to fade. - Migration Resistance: The migration resistance reaches level 5. It can maintain good color stability in plastic products and is not prone to color migration. - Weather Resistance: The weather resistance is level 5, making it suitable for coloring products used in outdoor environments. - Solubility: It is soluble in organic solvents and has good solubility and dispersibility in various resin materials such as polystyrene, pol