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PROBLEM TO BE SOLVED : To provide a multi-functional biodegradable plastic composition which continuously emits and releases minus ions and utilizes simultaneously radiated far infrared rays to exhibit deodorizing, antimicrobial and water quality-purifying actions.
SOLUTION : This biodegradable plastic composition comprises a biodegradable plastic and rare element-containing natural mineral powder, or the biodegradable plastic composition, wherein the natural mineral powder further contains one of tourmaline powder and far infrared ray ceramic powder.
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