SF-629T Para-aramid Continuous Filament Yarn.
Military and ballistic high-tenacity para-aramid continuous filament yarn developed for ballistic textiles, military protective equipment, and soft armor reinforcement.

Military and ballistic high-tenacity para-aramid continuous filament yarn developed for ballistic textiles, military protective equipment, and soft armor reinforcement.
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.
- Military and ballistic grade filament yarn grade
- Optimized for soft armor and protective composites
- High tenacity specification for 1000D and 1500D linear-density options
- Military protective equipment
- Ballistic textiles
- Soft armor fabrics
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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