Foamed gypsum compositions
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United States of America Patent
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Aug 5, 2003
Grant Date -
N/A
app pub date -
Apr 23, 2002
filing date -
Apr 23, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A foamed gypsum composition is provided. The composition may be used in making a crosslinked, foamed gypsum product. The composition is comprised of gypsum, foaming agents, epoxy resin, and a hardener. Optional ingredients would include one or more additives selected from the group consisting of inert fillers, aggregates, clay, sand, fibers, pigments, dyes, polymeric cement binder, plasticizers, superplasticizers, mineral wool, scrim, and freeze-prevent additives. Objects made from the composition include boards, interior walls, ceiling tiles, acoustical tiles, acoustical panels, roof decking, and flooring.
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