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A method for the production of casting molds or casting cores and the form of a aqueous mixture of molding sand, binders and carbon-containing material of existing molding material for use in the case of this method
A method for the production of casting molds or casting cores and the form of a aqueous mixture of molding sand, binders and carbon-containing material of existing molding material for use in the case of this method
A method for manufacturing casting molds or mold cores comprising shaping an aqueous mixture of sand, binder, a hydrocarbon resinous material and a porous, heat-resistant inorganic material.
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