Synthesis of bisphenol A diglycidyl ether The most typical epoxy resins are determined by reacting epichlorohydrin (ECH) with bisphenol A,  resulting in a special chemical substance referred to as bisphenol A diglycidyl ether (commonly called BADGE or DGEBA).Vacuuming: Use a vacuum with a smooth brush attachment now after which you can. It can hel