Used as a tackifier in adhesives, providing excellent water resistance and durability. Commonly found in chewing gum base due to its insolubility and elasticity. Employed in sealants and caulks for construction, offering long-term flexibility and weather resistance. Acts as a viscosity modifier in lubricants and motor oils. Utilized in pharmaceuticals and cosmetics as a film-forming agent and barrier component. Also used in fuel and oil additives to control deposits and improve performance.