Synthesis of bisphenol A diglycidyl ether The most typical epoxy resins are based upon reacting epichlorohydrin (ECH) with bisphenol A,  causing a different chemical compound often known as bisphenol A diglycidyl ether (typically known as BADGE or DGEBA).That essential slab of concrete as part of your garage is usually a stain and scuff magnet. He