Recycled Polyester (Sheath Fiber) Recycled polyester is produced from post-consumer recycled PET materials and available with GRS certification. It offers good color fastness, wrinkle resistance and quick-drying features, supporting low-carbon and sustainable textile supply chains. As part of the outer sheath, it protects the inner spandex core from friction damage during weaving and dyeing. It helps reduce fabric pilling and improves the structural stability of the yarn. Viscose (Sheath Fiber) Viscose is a natural cellulose fiber made from plant pulp. It delivers soft hand feel, excellent moisture absorption and breathability. Blended with recycled polyester in the outer layer, it brings a smooth, skin-friendly touch to fabrics. Viscose also provides good dye affinity, enabling rich and vivid color shades. It improves the draping property of finished textiles for comfortable wearing experience. Spandex (Core Filament) Spandex acts as the inner elastic core of the core-spun yarn. It…
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