Process of producing fiber-reinforced hardened body of...

Details Process of producing fiber-reinforced hardened body of... Process of producing fiber-reinforced hardened body of...

C - Chemistry, Metallurgy

04

B

261/71

C04B 31/04 (1980.01) C04B 31/34 (1980.01)

Patent

CA 1123461

Abstract of the Disclosure A process of producing a fiber-reinforced hardened body of gypsum system comprises mixing gypsum and slag in a ratio by weight of the former to the latter between 3 : 7 and 7 : 3 to prepare a main starting material, adding to the main starting material 1 - 30% by weight of reinforcing fiber, 0.1 - 5% by weight of alkali salt substance, and 0.1 - 5% by weight of aluminum sulfate-containing substance, the respective amounts being based on the weight of the main starting material, further adding water to knead and mold the resulting starting material mixture, and curing the molded starting material mixture under normal con- dition or steam-curing tho molded starting material mixture at 90°C or below.

323662

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