Used as a tackifier in adhesives, providing excellent water resistance and durability. Commonly found in chewing gum base due to its insolubility and elasticity. Serves as a sealant in automotive and construction applications because of its low permeability to gases and moisture. Employed in lubricants and fuel additives to improve viscosity and reduce sludge formation. Also utilized in pharmaceuticals and cosmetics as a film-forming agent and binder.