POWDER FOR BUILDING MATERIAL AND BUILDING MATERIAL CONTAINING POWDER FOR BUILDING MATERIAL

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PROBLEM TO BE SOLVED : To provide powder for a building material increasing α-wave and the building material. SOLUTION : The powder for the building material contains, by mass, 20-50% hornfels powder, 30-75% rare earth ore powder and 1-15% titanium dioxide powder. The α-wave is increased by mixing the powder within the composition ratio to associate far-infrared light radiated from the hornfels powder, negative ion radiated from the rare earth ore powder and titanium dioxide powder contributing the improvement of the far infrared radiation and negative ion radiation with each other. COPYRIGHT : (C)2009, JPO&INPIT