High durability refractory composition

Details High durability refractory composition High durability refractory composition

C - Chemistry, Metallurgy

04

B

C04B 35/66 (2006.01) C04B 35/03 (2006.01) C04B 35/04 (2006.01)

Patent

CA 2573278

A high temperature hot strength magnesia-based refractory composition having high durability at elevated temperatures wherein a sulfamic acid in combination with an independent calcia source is added to magnesia-based refractory material. The invention also provides for a refractory gunning composition for use in the production or repair of metallurgical furnace linings.

Composition réfractaire à base de magnésium à haute température ayant une grande résistance à des températures élevées dans laquelle un acide sulfamique en liaison avec une source d'oxyde de calcium indépendante est ajouté au matériau réfractaire à base de magnésium. Cette invention présente également une composition réfractaire de gunitage pour utilisation dans la fabrication ou la réparation de revêtements de fours de métallurgie.

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