US3870538A
Know MoreA 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 US3870538A - Gypsum set accelerator - Google Patents Gypsum set accelerator ....
Full text of "Radio Control Car Action Magazine 1992
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