Compositions: coating or plastic – Materials or ingredients – Miscellaneous
Patent
1980-06-09
1981-10-13
Poer, James
Compositions: coating or plastic
Materials or ingredients
Miscellaneous
106116, C04B 1114
Patent
active
042946220
ABSTRACT:
The dry wall joint compound, which can be used to completely close and fill joints between adjoining panel of gypsum dry wall board without a tape material, comprises a powdered mixture of gypsum, hydrated gypsum, calcium carbonate, plaster of paris, hydrated amorphous silica and talc. The dry wall joint compound can be admixed with water to provide a dry wall joint cement and preferably is admixed with a liquid additive composition comprising an aqueous mixture of zinc oxide, sodium acetate, ammonium alum, and an acrylic resin.
Poer James
Weston Research Corporation
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