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A cast type ceiling tile comprising a mixture containing 30 to 70% mineral wool, 10 to 40% expanded glass beads, 8 to 20% starch, 0 to 15% stucco, and 0 to 1% boric acid.

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Bibliographische Detailangaben
Hauptverfasser: BANGJI CAO, GREGORY O PALM, QING CLAIRE YU
Format: Patent
Sprache:por
Schlagworte:
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Beschreibung
Zusammenfassung:A cast type ceiling tile comprising a mixture containing 30 to 70% mineral wool, 10 to 40% expanded glass beads, 8 to 20% starch, 0 to 15% stucco, and 0 to 1% boric acid.