This article reviews epoxy resin adhesive research for glass conservation undertaken at the Canadian Conservation Institute (CCI) since 1978. This includes information on various aspects of yellowing of commercial products, strength retention after ageing and removability. Relevant work by other researchers on Hxtal NYL-1, controlling refractive index, additives and use of cyanoacrylates is also included to give a comprehensive overview of the subject. -- CCI=IC