SPRAYING MATERIAL FOR REPAIRING FURNACE FOR CERAMICS

Title:

SPRAYING MATERIAL FOR REPAIRING FURNACE FOR CERAMICS

Document Type and Number:

Japanese Patent JPH0710642

Kind Code:

A

Abstract:

PURPOSE: To obtain a spraying material composition excellent bond strength, for repairing a furnace for ceramics.

CONSTITUTION: A spraying material composition for repairing a furnace for ceramics comprises 30-97wt.% of magnesia, 2-50wt.% of alumina, 1-20wt.% of a binder, 0.5-7wt.% in outer percentage of aluminum sulfate and a calcium salt. Formation of spinel MgOWAl2O3 is made abrupt by reaction between aluminum sulfate and magnesia to prevent warpage of the spraying material on the surface of a material to be repaired and to improve bond strength.

Inventors:

NAKAGAWA HITOSHI
AKAO KOZO
YAMADA KOZO
TAMEHIRO TAIZO

Application Number:

JP17095893A

Publication Date:

January 13, 1995

Filing Date:

June 18, 1993

Export Citation:

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Assignee:

HARIMA CERAMIC CO LTD
NIPPON STEEL CORP

International Classes:

B22D41/02; C04B35/66; F27D1/16; (IPC1-7): C04B35/66; B22D41/02; F27D1/16

Attorney, Agent or Firm:

Yoshishima Ning (1 person outside)

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