Abstract: The present invention relates to a composition, preferably for bonding together metal sheets, comprising: a. 1 part by mole of at least one linear epoxy resin with an average epoxy equivalent weight of 600 to 5,000 g/mole and an epoxy functionality of 2, b. 0.4 to 0.8 parts by mole of at least one non-linear epoxy resin having an average epoxy equivalent weight of 180 to 350 g/mole and an average epoxy functionality of at least 3, c. 0.8 to 1.3 parts by mole of at least one basic hardener comprising at least two free amine-bonded hydrogen atoms, and d. 0.9 to 1.2 parts by mole of at least one crosslinker comprising at least two blocked isocyanate groups.

Abstract: The present patent application relates to an aqueous composition for coating grain oriented steel, comprising aluminium cations, manganese cations, dihydrogen phosphate, hydrogen phosphate and/or phosphate anions, colloidal silica and optionally iron cations, wherein the aluminium cations, expressed as Al2O3, manganese cations, expressed as MnO, dihydrogen phosphate, hydrogen phosphate and/or phosphate anions, expressed as P2O5, colloidal silica, expressed as SiO2, and optionally iron cations, expressed as FeO, which are present in the composition, give the sum formula of (Al2O3)2(MnO)1,8-2,4(FeO)0-0,2(P2O5)5-7(SiO2)?30.