To provide a non-combustible decorative sheet which includes an inorganic base material mainly composed of cement and suppresses generation of an explosive fracture caused by evaporation of moisture included in the inorganic base material.
In a non-combustible decorative sheet, an airtight surface decorative layer is provided on one face side of an inorganic base material mainly composed of cement, and the inorganic base material comprises a laminated structure including a plurality of inorganic layers and at least one inorganic reinforcement member layer located between the respective inorganic layers. The thickness of at least one layer of the plurality of inorganic layers can be constructed to be different from that of the other layers. In this case, out of the plurality of inorganic layers, the thickness of the inorganic layer located closest to the surface decorative layer side can be made thinnest.
IBIDEN CO LTD
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Iwa Saki Kokuni
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu