| 摘要 |
PROBLEM TO BE SOLVED: To provide a metal for personal ornaments which efficiently radiates far infrared rays and combines health-promoting or remedial or curative functions and also to provide a manufacturing method therefor. SOLUTION: This metal for personal ornaments has a composition consisting of, by weight, 2.0 to 5.0% of far-infrared radiating powder and the balance gold, silver, platinum or alloys thereof. The far-infrared radiating powder has a composition, when the total is 100% by weight, consisting of, by weight, 55 to 65% of high-purity crystalline quartz filler, 30 to 40% of graphite silica and 3 to 8% of calcined kaolin. COPYRIGHT: (C)2009,JPO&INPIT
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