Black Rosin Binder (Rosin, B-ii)(biroja) /Wood Rosin

A black rosin binder is a coating of solid, semisolid, or liquid material that binds particles of black rosin together. The binder prevents the rosin from clumping together and creates a more workable, versatile material. The most common binder is a linseed oil and rosin mixture. Other binders include beeswax, pine resin, and whole oil. It is a solid, black, granular, or powdery substance that is mainly used as a binder and viscosity regulator in rubber products. This product is often used in rosin, brake pads, and certain kinds of paints. This is made from the solid residue of turpentine, wood tar, and coal tar. This product is often used as a binder in various products, such as paints, plastics, and rosin.