Gypsum set accelerator

Details Gypsum set accelerator Gypsum set accelerator

1975-05-23

1977-04-26

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Proteinaceous material containing

106315, 156 39, C04B 1122

Patent

active

040199207

ABSTRACT:
A gypsum set accelerator, produced by compression milling a mixture of ground gypsum rock and starch, and the addition thereof to an aqueous slurry of settable calcined gypsum such as in the forming of paper-covered gypsum wallboard.

REFERENCES:
patent: 2853394 (1958-09-01), Riddell et al.
patent: 2965528 (1960-12-01), Loechl
patent: 3376147 (1968-04-01), Dean
patent: 3414467 (1968-12-01), Ferrara

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