Synthesis of bisphenol A diglycidyl ether The most typical epoxy resins are determined by reacting epichlorohydrin (ECH) with bisphenol A,  leading to a special chemical compound generally known as bisphenol A diglycidyl ether (usually often known as BADGE or DGEBA).Epoxy flake coating techniques are resistant to scorching tyres, oils, petrol, and