MB Black Opaque Pigment refers to a specific type of black coloring agent or pigment manufactured by a company called "MB." The pigment is designed to produce a deep black color when mixed with a suitable medium. It may be highly concentrated to achieve a rich, opaque finish. This pigment is likely intended for use in various applications, including crafts, art, resin work, or other projects where a black color is desired. They may be compatible with various mediums, including paints, inks, resins, and epoxies. MB Black Opaque Pigment comes in small containers or bottles, depending on the quantity needed for your project.