abstract |
The present invention provides a hardener solution for epoxide resin masses, based on dicyandiamide, wherein it contains n (a) 50 to 90 parts by weight of dimethylformamide, n (b) 5 to 50 parts by weight of a low boiling ketone and/or alcohol and n (c) 5 to 32 parts by weight of dicyandiamide, referred to 100 parts by weight of the sum of components (a) and (b). |