ROICA is spandex of a higer order with superior functionality that provides right response to various customers' needs.
The ROICA spandex is a premium stretch yarn with excellent stretch and recovery based on Asahi Kasei Fibers' polymer science.
Supported by solid technology and high quality, ROICA answers diverse needs.

According to Japan's Household Goods Quality Labeling Act, spandex is indicated as "polyurethane elastic fiber." In labeling for clothing, it is indicated as "polyurethane." It can be called "spandex" in the United States and "elastan fiber" in Europe and other regions.

Spandex is more stretchable than rubber as its tensile strength is several times that of rubber.
It is lighter than rubber. It can be produced in a wider range of denier, including the very fine and coarse deniers which is difficult to produce from rubber.

ROICA is available from 8 dt to 1,680 dt.
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Dry spinning is common worldwide. ROICA is also manufactured by dry spinning in Japan, Europe, the United States, and other locations.

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Spandex is combined with many different materials, ranging from synthetic fibers such as nylon and polyester to natural fibers like wool and cotton.
Under the ROICA brand, there are several functional yarn subbrands. They include ROICA DS, which is characterized by its dyeability, which is closer to nylon and other fibers to pave the way for deeper color expression, and ROICA HP, which has enhanced heat resistance and superior power retention after dyeing with polyester.

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ROICA is applied not only in outerwear and innerwear, but also sportswear, swimwear, and legwear, as well as extensive applications including materials for car seats, shoes, and other items, medical applications such as supporters and taping, along with hygiene products such as diapers.

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