SF-629 Para-aramid Continuous Filament Yarn.
High-tenacity and high-modulus para-aramid continuous filament yarn developed for ballistic textiles, soft armor fabrics, and reinforcement in protective composites.

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 Sinofibra’s ballistic-materials platform for flexible armor and rigid-composite development. It supports Ballistic Protection and gives engineering teams clear specification control from development through production.
- High-tenacity and high-modulus ballistic filament
- 200D to 3000D available linear-density range
- Supports soft armor textile conversion
- Ballistic textiles
- Soft armor fabrics
- Protective composites
Organized into grouped sections so engineering teams can review product configuration, physical properties, and ballistic performance efficiently.
Product Configuration
Additional Notes
Download the full PDF TDS for complete testing conditions, processing notes, and engineering details.
Proprietary data. Unauthorized distribution is prohibited.
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