STONE CASTINGS Russian patent published in 2007 - IPC C04B32/00 

Abstract RU 2303017 C1

FIELD: silicate production, in particular, stone castings compositions used for manufacture of articles utilized in construction industry.

SUBSTANCE: stone castings include the following components, wt%: SiO2 50-54; Al2O3 2-4; CaO 16-20; MgO 4-6; Fe2O3 2-4; K2O 1.8-2.3; Cr2O3 1.5-2.5; MnO 0.7-1.2; NiO 6-10; ZrO2 3-7.

EFFECT: increased strength of stone castings.

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RU 2 303 017 C1

Authors

Shchepochkina Julija Alekseevna

Dates

2007-07-20Published

2006-04-10Filed