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Differences in Basic Fiber Structure
Tencel Soft Sensation Yarn belongs to the Tencel fiber family but features a uniquely optimized fiber structure designed to provide an exceptionally soft hand feel. Regular Tencel fibers have a smooth, cylindrical cross-section with typical crystallinity and high tensile strength. Soft Sensation Yarn modifies this structure by creating subtle longitudinal micro-folds and fine grooves on the fiber surface. These microstructures enhance the softness of the yarn while increasing fiber-to-fiber friction, improving yarn stability and textile adaptability.
Optimization of Fiber Fineness and Length
Soft Sensation Yarn typically has a finer and more uniform fiber diameter, ranging from 1.5 to 2.5 dtex, compared to 1.5 to 3.0 dtex for regular Tencel. Finer fibers contribute to a smoother, silkier feel in fabrics while allowing tighter fiber alignment, enhancing drape and luster. Fiber length is precisely graded in Soft Sensation Yarn, minimizing short fibers. This reduces yarn breakage during spinning and improves the overall hand feel and appearance of knitted or woven fabrics.
Advantages of Surface Microstructure
The surface microstructure of Soft Sensation Yarn provides significant performance advantages. Longitudinal micro-folds increase the fiber’s surface area, improving moisture absorption and quick-drying properties for enhanced comfort. Fine grooves increase fiber-to-fiber friction, helping maintain uniform tension during spinning and reducing breakage. These characteristics are particularly beneficial in high-count yarns or blended yarns, ensuring consistent softness and high-quality fabric finish.
Differences in Internal Crystalline Structure
Regular Tencel fibers exhibit high crystallinity, contributing to strength and abrasion resistance. Soft Sensation Yarn maintains high crystallinity while slightly increasing the amorphous regions within the fiber. More amorphous regions allow the fiber to better absorb stress under tension, enhancing flexibility and elongation. This structural adjustment improves the fabric’s next-to-skin softness while retaining Tencel’s inherent strength and durability.
Impact on Dyeing and Finishing
The optimized surface and amorphous structure of Soft Sensation Yarn enhance dye uptake and finishing performance. Increased surface area improves dye uniformity and color vibrancy. In finishing processes such as softening, anti-wrinkle treatment, and heat setting, the fiber’s flexibility and resilience allow for easier processing without compromising fiber integrity, resulting in durable, soft fabrics.
Differences in Hand Feel and Applications
Compared to regular Tencel, Soft Sensation Yarn provides fabrics with a softer, silkier, and more elastic hand feel. Fabrics made from this yarn are delicate, comfortable against the skin, and ideal for high-end knitwear, lingerie, and home textiles. Its optimized fiber structure also improves performance in blended applications, offering stable spinning with cotton, wool, or modal, enabling the creation of high-quality blended fabrics for fashion and functional textiles.
