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US 12,559,431 B2Granted
High temperature refractory, method for making high temperature refractory
OwnerThomas J Lallyinventor
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Abstract
The invention provides a refractory containing monopotassium phosphate, magnesium oxide, alumina, and water. Also provided is a method for making a variable utility refractory, including combining MKP with a metal oxide and alumina to create a dry mixture, adding polar fluid to the dry mixture to create a slurry, and applying the slurry to a substrate to protect the substrate from thermal cycling at temperatures between 1300 to 1600° C.
Claims8
A refractory comprising:
- a. MKP ranging from 35 to 55 weight percent;
- b. metal oxide ranging from 30 to 50 percent;
- c. alumina ranging from 10 to 20 weight percent;
- wherein the MKP, the metal oxide and the alumina are mixed to form a mixture, wherein the mixture contains no calcium and;
- d. water added to the mixture in an amount equal to 10 to 20 weight percent of the refractory to form a slurry.
2 more elements
Dependencies are inferred from the claim text.