| 摘要 |
PURPOSE: Polyester grey yarn for artificial hair is characterized by having excellent flexibility, formability of curl and maintainability of shape, having bulkiness and excellent luster and being light. CONSTITUTION: The polyester fiber for artificial hair has an oval cross-section. The polyester fiber contains hollow inside. On the oval, the length ratio(a/b) of the major axis(a) and the minor axis(b) is 1.2-5.0. The fiber has 5-50% of hollow ratio and 30-90denier of fineness. The polyester grey yarn for artificial hair contains 10-70% of the oval fiber and the other fiber having a round section or other shapes.
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