| abstract |
Composition for reaction with acidic aluminum phosphate solutions to form ultralight insulation and fire protection layers, e.g. on steel beams, comprises a cavity-forming component which is a lightweight assembly, e.g. expanded perlite, and / or solid blowing agent such as dolomite, magnesium oxide and / or alumina, and at least one thixotropic agent, e.g. bentonite, and a fine particulate solid, e.g. talc, and preferably a ball clay. |