CHARGE FOR CERAMIC ARTICLE MAKING Russian patent published in 1995 - IPC

Abstract RU 2041182 C1

FIELD: ceramic building materials. SUBSTANCE: charge has, wt.-% quartz sand 83-93; nepheline-syenite 2-7, and red-burning clay 0.1-10. Properties: thermal stability after roasting at 800 C is 19-27 heat changes, at 900 C 22-30 heat changes, and at 1050 C 29-37 heat changes. Compression strength after thermal working at 800 C is 126-201.8 MPa, at 900 C 129.8-209.8 MPa, at 1050 C 129.6-202.57 MPa. EFFECT: enhanced quality of charge. 1 tbl

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RU 2 041 182 C1

Authors

Pustovalov V.P.

Papin G.G.

Dates

1995-08-09—Published

1992-01-27—Filed