CEMENT SOUND ABSORBING MATERIAL

To provide a cement sound absorbing material having strength of the same degree as a conventional concrete panel and improved in sound absorbing characteristics.SOLUTION: A cement sound absorbing material 1 comprises surface layers 10 and 11 containing cement as the main component and cellulose nano...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	ARAKI KATSUHIKO, FUKUDA NAOYA, TANAKA TAISEI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	BUILDING BUILDING MATERIALS CEILINGS FIXED CONSTRUCTIONS FLOORS GENERAL BUILDING CONSTRUCTIONS INSULATION OR OTHER PROTECTION OF BUILDINGS LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM PERFORMING OPERATIONS ROOFS STRUCTURAL ELEMENTS TRANSPORTING WALLS, e.g. PARTITIONS
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