Polyamine epoxy are type of epoxy resins systems which use polyamines as curing agents . the reaction of polyamines with epoxy resin gives a cross-linked polymer which may have properties which are beneficial for the intended application . depending on the type of polyamine used , aliphatic , aromatic , cycloaliphatic the cured epoxy can provide fast curing hight heat resistance or increased chemical resistance . it is used by construction automotive and electronic industries for advanced coatings adhesives and composites with emphasis on performance standards.