Refractory coating for producing mold coatings
AssigneeHüTtenes-Albertus Chemische Werke Gesellschaft Mit BeschräNkter Haftung
InventorsAndreas Stefan Jattke, Günter Thomas Linke, Klaus Seeger
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Abstract
The present invention relates to a refractory coating for producing mold coatings by application to inorganically or organically-bound molding materials in lost molds or to cores for iron and steel casting, wherein the ready-to-use refractory coating has proportion by weight of 0.001% or more and less than 1% of inorganic hollow bodies, which partially or fully consist of crystalline material and have a softening point of 1000° C. or higher.
Claims19
A refractory wash for producing mold coatings on lost molds or to cores for iron and steel casting,
- wherein the refractory wash contains a proportion by weight of 0.001% through 0.99% of inorganic hollow bodies, characterized in that wherein the inorganic hollow bodies in part or in full consist of comprise a crystalline material, wherein the refractory wash comprises:
- (a) 0.0011 to 3.5 parts by weight of inorganic hollow bodies, which partially or fully consist of crystalline material;
- (b) 20 to 75 parts by weight of one or a plurality of refractory materials, which are not hollow bodies as defined under (a);
- (c) at least 15 parts by weight of at least one carrier fluid;
- (d) 0.1 to 10 parts by weight of one or a plurality of suspending agents;
- (e) 0.01 to 0.6 parts by weight of one or a plurality of biocides;
- (f) 0 to 4 parts by weight of one or a plurality of wetting agents;
- (g) 0 to 2 parts by weight of one or a plurality of floating agents and/or rheological additives;
- and
- (h) 0 to 2 parts by weight of one or a plurality of binding agents.
Dependencies are inferred from the claim text.