Tosylamide/Epoxy Resin is the toluenesulfonamide of the condensation product of 4,4'-Isopropylidenediphenol (q.v.) with epichlorohydrin, also known as the diglycidyl ether of bisphenol A (DGEBA). The polymeric end-product conforms generally to the formula: where n may have a value ranging from 0 to about 5.