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RAW FIBER / LOONG-FLEX®

SF-629 Para-aramid Continuous Filament Yarn.
Technical Profile.

High-tenacity and high-modulus para-aramid continuous filament yarn developed for ballistic textiles, soft armor fabrics, and reinforcement in protective composites.

Product Image
SF-629 Para-aramid Continuous Filament Yarn
Quick Facts
Product CodeSF-629-200D to SF-629-3000D
Product FormContinuous filament yarn
Tenacity≥ 22.5 cN/dtex
Initial Modulus≥ 95 GPa
Oil Pick-up0.6–1.2%
Product Summary

High-tenacity and high-modulus para-aramid continuous filament yarn developed for ballistic textiles, soft armor fabrics, and reinforcement in protective composites.

LOONG-FLEX® is part of Sinofibra's ballistic materials platform, where flexible protection, rigid composite development, and repeatable manufacturing performance are prioritized together. It supports Ballistic Protection and is suited to engineering teams that need material efficiency, scalable conversion, and clear specification control from development to production.

Key Features
  • High-tenacity and high-modulus ballistic filament
  • 200D to 3000D specification ladder
  • Supports soft armor textile conversion
Applications
  • Ballistic textiles
  • Soft armor fabrics
  • Protective composites
Technical Specifications

Organized into grouped sections so engineering teams can review product setup, physical properties, and ballistic performance more efficiently.

REV. 2026.Q2

Product Configuration

Product CodeSF-629-200D to SF-629-3000D
Product FormContinuous filament yarn

Additional Notes

Tenacity≥ 22.5 cN/dtex
Initial Modulus≥ 95 GPa
Oil Pick-up0.6–1.2%
Catalog Position
BrandLOONG-FLEX®
TemplateRAW FIBER
SolutionsBallistic Protection
CategoryFilament
Download Center

Download the full PDF TDS for complete testing conditions, processing notes, and engineering details.

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