A two-part adhesive is provided comprising: A) a curative part comprising: i) one or more epoxy curatives, where the one or more epoxy curatives include norbornane diamine (NBDA); and ii) a reaction intermediate which is the reaction product of a liquid epoxy resin having an epoxy functionality of 2 with an excess of the epoxy curatives; and B) an epoxy part comprising: iii) one or more multifunctional epoxy resins having an epoxy functionality of greater than 2.2; in some embodiments epoxy functionality of greater than 2.6; in some embodiments epoxy functionality of 3 or greater; and in some embodiments epoxy functionality of 4 or greater. In some embodiments the one or more epoxy curatives additionally include 4,7,10 Trioxa-1,13-tridecane-diamine (TDD). In some embodiments the one or more multifunctional epoxy resins include tetraglycidyl methylenedianiline (TGMDA).