Refractory composition and refractory unfired shapes produced th

Details Refractory composition and refractory unfired shapes produced th Refractory composition and refractory unfired shapes produced th

1987-07-13

1988-07-26

Dixon, Jr., William R.

Compositions: ceramic

Ceramic compositions

Refractory

501118, 501123, 501125, 501153, 501128, 106121, C04B 3506

Patent

active

047600390

ABSTRACT:
Refractory compositions which can be gun-applied, or refractory, unfired shapes containing sintered magnesite and/or sintered dolomite as the principal refractory component, 0.5 to 5% by weight of bentonite, 1 to 5% by weight of aluminum sulfate and 0.5 to 5% by weight of an alkaline earth compound, characterized by the fact that they contain magnesium hydroxide and/or caustic-calcined MgO as the alkaline earth compound. The compositions and shapes of the invention have the advantage that they do not exhibit binder migration, and no damping-reduction cracks or chipping occurs therein.

REFERENCES:
patent: 833930 (1906-10-01), Jeroch
patent: 3232774 (1966-02-01), Kehl
patent: 4001029 (1977-01-01), Cassens
patent: 4276091 (1981-06-01), Cassens

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