| 摘要 |
PROBLEM TO BE SOLVED: To provide a method wherein the effect of a far-infrared radiation element is expressed more efficiently, by irradiating a far-infrared electromagnetic wave from a sticker which is directly applied to or pasted to the vessel. SOLUTION: A paste is obtained by mixing a paste component with tuffaceous sandstone. From 1 to 20 wt.% (in terms of outer percentage of the paste component) tuffaceous sandstone of from 1 to 60μm is mixed. The tuffaceous sandstone contains SiO2 , Al2 O3 , Fe2 O3 , TiO2 , CaO, MgO, Na2 O, K2 O and MnO. A sticker is prepared by applying the paste obtained by mixing from 1 to 20 wt.% (in terms of outer percentage of the paste component) tuffaceous sandstone of from 1 to 60μm, on the sticky surface. In order to improve the article, the above-mentioned paste obtained by mixing the paste component with tuffaceous sandstone, or the paste component, is applied to the exterior wall of the vessel, and far-infrared electromagnetic wave is directly irradiated from the tuffaceous sandstone within the coated layer to the content of the vessel. Otherwise, the sticker, of which the sticky surface is coated with the above- mentioned paste obtained by mixing the paste composition with tuffaceous sandstone, is pasted to the exterior wall of the vessel, and far-infrared elechomagnetic wave is directly irradiated from the tuffaceous sandstone within the coated layer of the sticky surface to the content of the vessel.
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