Invista, which has innovative genes, has specially developed the dualFX technology of the LYCRA brand based on the patented technology of dual-core yarn and bi-component yarn in order to meet consumer demand for highly elastic and shape-retaining denim fabrics. , it will LYCRA (Lycra) fiber �LYCRA(莱卡)T400纤维相结合，使LYCRA(莱卡)纤维的卓越弹性和LYCRA(莱卡)T400纤维出色的回复性能完美融合，成为LYCRA(莱卡)品牌的dualFX牛仔面料技术的灵魂� �</p
LYCRA (Lycra) fiber is an elastic fiber with the scientific name “spandex”. It has excellent stretchability and can effectively increase the elasticity of the fabric. It can be called the originator of elastic fiber; LYCRA (Lycra) T400 fiber is a new elastic composite Fiber, with strong shape retention and recovery power �两种纤维在同一纱线中纺制，铸就了LYCRA(莱卡)品牌的dualFX技术的美丽神话� The elasticity of denim fabrics woven with LYCRA brand dualFX technology has increased by 30%, while solving the problems of wrinkling and deformation. It not only gives the denim fabrics good stretchability, but also gives the fabrics excellent recovery power, making denim fabrics more elastic. Clothes fit snugly and stay in shape for a long time �LYCRA(莱卡)品牌dualFX技术它颠覆了原来仅限于单包芯的技术，使用双芯纱生产，打造了1+1大于2的纺织神话� �</p
从2013年开始，LYCRA(莱卡)品牌dualFX技术克服了包芯露丝的问题，还被使用到染色布上，使国内的主要染厂陆续推广具有高弹、高回复性能的色布品种� �LYCRA(莱卡)品牌dualFX技术在得以成功应用后，获得服装品牌的一致好评，也赢得了业界的认可� �截至2014年底，采用LYCRA(莱卡)品牌dualFX技术的纱线，已经在各大面料工厂和国际国内服装品牌如LEVI’S、ONLY等得到了广泛的应用� �若牛仔裤上挂着LYCRA(莱卡)吊牌，则说明这条裤子采用了真正的LYCRA(莱卡)纤维，并符合英威达定立的面料性能标准�
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