Yes, Rosin Derb can be used for woodworking. It is commonly used as a binding agent in varnishes and paints, and it helps to improve the durability and water resistance of wood finishes. Additionally, Rosin Derb is used in wood glue and adhesives as a tackifier, which improves the adhesion of the glue to the wood. When mixed with other ingredients, Rosin Derb can also be used as a natural sealant for wood. Its unique properties, such as its ability to melt and flow at low temperatures, make it an excellent choice for woodworking applications where a strong and durable bond is required.