Fireproof ceramic mix, fireproof ceramic molded body formed of said mix and use thereof
AssigneeRefractory Intellectual Property GmbH & Co. KG
InventorsJohann Eder, Gerald Gelbmann
Life of this patent
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Abstract
The invention relates to a refractory ceramic batch made of 30 to 95% by mass of a synthetically manufactured fine component selected from the group consisting of: fused forsterite, sintered forsterite, each in a grain size <1 mm, further 5 to 70% by mass of at least one coarse component selected from the group consisting of: sintered magnesia, fused magnesia, each in a grain size >1 mm, up to 5% by mass of a sintering aid and not more than 5% by mass of at least one other component, wherein the components sum up to 100% by mass. The invention further comprises a workpieces made of this batch and the use of said workpiece as a checker brick.
Claims9
Refractory ceramic batch made of:
- a) 30 to 95% by mass of a synthetically manufactured fine component selected from the group consisting of:
- fused forsterite and sintered forsterite, each in a grain size <1mm,
- b) 5 to 70% by mass of at least one coarse component selected from the group consisting of:
- sintered magnesia and fused magnesia, each in a grain size >1 mm,
- c) up to 5% by mass of a sintering aid,
- d) not more than 5% by mass of at least one other component
- wherein the components a) to d) sum up to 100% by mass.
Dependencies are inferred from the claim text.