The Japanese polyester fiber producer Teijin Fibers Ltd., Osaka, has developed a unique polyester fiber with a distinctive, highly modified cross-section with 8 projections aligned in a radial pattern around a hollow fiber. The new fiber, named Octa (after its octopus-like appearance), is said to offer rapid sweat absorption and drying, low weight, heat shielding/insulation and useful bulkiness. Octa will be marketed from April 2012 for next-to-skin applications such as underwear and sportswear and for fashion apparel and other uses.
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