Refractory concrete

Details Refractory concrete Refractory concrete

C - Chemistry, Metallurgy

04

B

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C04B 35/66 (2006.01) B22D 41/02 (2006.01) C04B 14/20 (2006.01) C04B 14/38 (2006.01) C04B 28/06 (2006.01) C04B 35/48 (2006.01)

Patent

CA 1273963

ABSTRACT OF THE DISCLOSURE This invention is concerned with a refractory concrete based on zircon and aluminous cement. In known refractory con- crete based on zircon and aluminous cement, which is used in particular for manufacturing linings or molded bodies resistant to molten metal, particularly aluminum melts, the high thermal con- ductivity due to the high bulk density is often detrimental. The new refractory concrete should have a lower thermal conductivity with good resistance to molten metal and in particular to aluminum melts. The new refractory concrete contains as a further consti- tuent 10 to 50% by weight, based on the solid constituents, of light refractory materials, particularly expanded vermiculite, expanded perlite, light fireclay and/or mineral fibers.

555468

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