AQUEOUS COMPOSITION FOR COATING GRAIN-ORIENTED STEEL

The present patent application relates to an aqueous composition for coating grain oriented steel, comprisingaluminium cations,manganese cations,dihydrogen phosphate, hydrogen phosphate and/or phosphate anions,colloidal silica andoptionally iron cations, wherein the aluminium cations, expressed as A...

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Bibliographische Detailangaben
Hauptverfasser: RAMETSTEINER, Karl, MACHNO, Marek, BREITWIESER, Christian, TYPPELT, Gerhard, SCHELLENBERG, Johann
Format: Patent
Sprache:eng
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Zusammenfassung:The present patent application relates to an aqueous composition for coating grain oriented steel, comprisingaluminium cations,manganese cations,dihydrogen phosphate, hydrogen phosphate and/or phosphate anions,colloidal silica andoptionally 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.