C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
261/79
C04B 11/28 (2006.01)
Patent
CA 1194043
GYPSUM FIRE BREAK COMPOSITION ABSTRACT OF THE DISCLOSURE A gypsum plaster composition which, on admixture of water, has improved plasticity and slip, together with other characteristics essential in a plaster for fire breaks and fire stops, such as used with electrical cables, consisting essentially of calcined gypsum, expanded vermiculite, bentonite clay, a dispersant and a set control additive for the gypsum.
420823
National Gypsum Properties Llc
Osler Hoskin & Harcourt Llp
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