Fiberboard panel having improved acoustics and durability

A fine texture fiberboard panel having a low resistivity value and a high board hardness value. The panel includes mineral fibers, perlite, cellulosic fibers, and binder. The mineral fibers comprise from about 50% to about 85%, the perlite includes from 0% to about 18%, the cellulosic fiber comprise...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FELEGI, JR. JOHN, GARMAN ROBERT C
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE FIBREBOARD LIME, MAGNESIA MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS ORFROM PAPIER-MACHE METALLURGY PAPER-MAKING PRODUCTION OF CELLULOSE REFRACTORIES SLAG TEXTILES TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	A fine texture fiberboard panel having a low resistivity value and a high board hardness value. The panel includes mineral fibers, perlite, cellulosic fibers, and binder. The mineral fibers comprise from about 50% to about 85%, the perlite includes from 0% to about 18%, the cellulosic fiber comprises from about 2% to about 7% and the binder includes from about 6% to about 15% of the panel on a dry solids weight basis. The concentration of mineral fibers includes from about 30% to about 65% nodulated mineral fiber. The perlite has a density in the range from about 7 to about 20 pcf.