MOLD MATERIAL MIXTURE CONTAINING RESOLS AND AMORPHOUS SILICON DIOXIDE, MOLDS AND CORES PRODUCED THEREFROM, AND METHOD FOR THE PRODUCTION THEREOF

摘要

The invention relates to mould material mixtures for producing moulds and cores for metal casting, consisting of at least one refractory material, a binder based on resols and amorphous silicon dioxide. The invention also relates to a multi-component system and to a method for producing moulds and cores using the mould material mixture and moulds and cores for metal casting, produced according to said method.