Octagonal Dynamic Temperature-Regulating Hollow Yarn

The Hollow Yarn represents a breakthrough in thermal management technology through innovative hollow fiber construction. This advanced polyester yarn features an octagonal cross-section with controlled hollow cavities (30-50% hollow ratio) that create exceptional insulation properties while maintaining breathability. The unique hollow structure reduces thermal conductivity to 0.035W/(m·K), delivering 40% better insulation than conventional polyester yarns. The yarn provides superior warmth retention while the controlled pore distribution (5-15μm average diameter) ensures optimal air circulation. The octagonal geometry enhances structural stability and performance, making it ideal for temperature-sensitive applications requiring both warmth and comfort.

Running Specification

filament  FDY 50D/48F, 75D/72F

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octagonal dynamic temperature regulating hollow yarn

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Dynamic Temperature Regulation

The hollow cavity structure traps air for superior insulation while allowing controlled airflow, creating adaptive thermal comfort that responds to body temperature changes.

Lightweight Performance

Reduced fiber density (0.9-1.1g/cm³) makes fabrics 20-30% lighter than solid polyester while maintaining excellent tensile strength of 3.5-4.0cN/dtex.

Enhanced Breathability

Controlled pore distribution and octagonal cross-section optimize air permeability with moisture transmission rates exceeding 8000g/m²/24h for superior comfort.

Superior Recovery

Advanced hollow structure provides 50% improved resilience with >90% recovery after 50% compression within 24 hours, ensuring long-lasting performance.

Applications

Octagonal Dynamic Temperature-Regulating Hollow Yarn excels in applications demanding superior thermal management and comfort. Its exceptional insulation properties combined with lightweight characteristics make it perfect for premium outdoor apparel, winter sportswear, and high-performance activewear where temperature regulation is critical. The yarn’s breathability and moisture management capabilities extend its use to luxury bedding, automotive interior textiles, and technical insulation materials. Industrial applications benefit from its acoustic properties and controlled porosity for filtration systems. Whether creating ultra-lightweight down alternatives, thermal underwear, or specialized technical textiles, this innovative hollow yarn delivers unmatched performance across temperature-sensitive applications.

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