Used as a tackifier in adhesives, providing excellent bonding properties in pressure-sensitive applications like tapes and labels. Common in sealants and caulks due to its water resistance and durability. Employed in chewing gum base for its elasticity and insolubility. Utilized in fuel and lubricant additives to control deposits and improve performance. Also found in automotive inner tubes and tire liners for its low gas permeability, helping maintain air pressure. Used in some cosmetics and pharmaceuticals as a film-forming agent or thickener.