Refractory material

Details Refractory material Refractory material

1976-12-03

1979-07-24

Rutledge, L. Dewayne

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

106 60, 106 62, 106 69, C04B 3504

Patent

active

041621689

ABSTRACT:
A refractory grain material consisting essentially of at least about 97 percent by weight MgO grains, from about 1 to about 3 percent by weight of a combination of CaO, SiO.sub.2, and Al.sub.2 O.sub.3, and up to about 1 percent by weight of at least one oxide selected from the group consisting of Fe.sub.2 O.sub.3 and B.sub.2 O.sub.3 wherein the relative amounts of CaO, SiO.sub.2 and Al.sub.2 O.sub.3 are controlled so that a solid ternary compound of CaO-SiO.sub.2 -Al.sub.2 O.sub.3 is present between the MgO grains.

REFERENCES:
patent: 3364043 (1968-01-01), Davies
patent: 3473939 (1969-10-01), Mayberry et al.
patent: 3715222 (1973-02-01), Hieb
patent: 3754951 (1973-08-01), Coatney
patent: 3833390 (1974-09-01), Staut et al.
patent: 3954485 (1976-05-01), Coatney
patent: 4010039 (1977-03-01), DE Aza et al.

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