| http://www.w3.org/ns/prov#value | - In the present invention, without departing its spirit and scope, the polyethylene-based resin (A) forming the sheath portion of the fiber and/or the high-melting point resin (B), such as propylene-based polymers, forming the core portion of the same may be blended with a coloring material, a thermoresistance stabilizer, a lubricant, a nucleating agent and other polymers according to the situation
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