Synthesis of bisphenol A diglycidyl ether The commonest epoxy resins are determined by reacting epichlorohydrin (ECH) with bisphenol A,  leading to another chemical material often known as bisphenol A diglycidyl ether (typically referred to as BADGE or DGEBA).Flake Epoxy: Ornamental flakes or chips are broadcast to the epoxy even though it remains