| 摘要 |
A composition for constructional material of a building is provided to have excellent radiational energy and far-infrared ray emission and to be employed to fabricate various constructional materials such as wall paper, wash basin, bathtub, tiles and/or gypsum board by adding ceramic powder as mixture of silicon, germanium and magnesium to typical constructional composition. The constructional material composition includes ceramics including: 90-110mg of silicon; 20-40mg of magnesium; and 0.5-1mg of germanium per 1kg of the composition and has particle size of more than 100mesh. The composition is typically added in amount of 1 to 20wt. parts to constitutional parts of the constructional material such as wash basin, bathtub and wall paper, etc. The ceramics in the composition irradiates far-infrared ray at constant wave-band and beneficial effect to human body.
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