Bouni® 4221 is an ethylene-maleic anhydride copolymer, belonging to a polar-modified wax product. With a high softening point, it possesses excellent thermal stability and is widely used in engineering plastics. The polar groups facilitate its effective wetting and dispersion of pigments and inorganic fillers. According to the refined application performance requirements of users, customized products with differentiated molecular weights and viscosities will be provided.
