A reactive liquid ceramic binder suitable for the production of ceramic products from ceramic powders is provided. The reactive liquid ceramic binder contains organo-modified siloxane compounds, wherein the liquid organo-modified siloxane compounds contain organoalkoxysiloxane units according to general formula (I) wherein R.sup.1=alkyl radical and/or aryl radical, R.sup.2.dbd.H and/or alkyl radical with 1 to 4 carbon atoms, a.gtoreq.0 and .ltoreq.2, and b<0 and .ltoreq.3,with the proviso that a+b.gtoreq.1 and .ltoreq.4.