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Abstract

A method is described for producing a molded article by molding a thermoplastic elastomer powder having a sphere-reduced average diameter of 0.7 mm or less, a bulk specific gravity of at least 0.38 and a failing property of 20 second/100 ml or less, wherein the thermoplastic elastomer contains an elastomeric ethylene-.alpha.-olefin copolymer and a polyolefin resin and has a complex dynamic viscosity .eta.*(1) of 1.5.times.10.sup.5 poise or less when measured at 250.degree. C. at a frequency of 1 radian/sec., and a Newtonian viscosity index n of 0.67 or less, in which the Newtonian viscosity index n is calculated according to the following formula: n=(log .eta.*(1)-log .eta.*(100))/2 wherein .eta.*(100) is a complex dynamic viscosity measured at 250.degree. C. at a frequency of 100 radian/sec.

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