LOCTITE EA 9497 A&B LOCTITE EA 9497 is a grey, 2-part, medium viscosity, high performance epoxy adhesive offering high temperature resistance and thermal conductivity. LOCTITE® EA 9497 is a general-purpose high temperature resistant structural bonder with thermal conductivity. The grey, 2-part, medium viscosity epoxy reliably bonds metal sheets or electrical components where toughness and thermal conductivity is required. It can be used in high temperatures up to +200°C, provides large gap fill and high compression strength in harsh environments.