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FABRIC / LOONG-FLEX®

SA-2135 High-Density Aramid Soft UD.
Technical Profile.

A high-density para-aramid soft armor UD for programs that want fewer layers to reach target protection while keeping assembly more efficient.

SA-2135 High-Density Aramid Soft UD
Quick Facts
Brand NameLOONG-FLEX® SA (Soft Armor – Aramid UD)
Product CodeSA-2135
Armor TypeSoft Body Armor
ConstructionUD Cross-Ply Laminate
ApplicationBallistic Vest / Soft Body Armor Panel
Product Summary

A high-density para-aramid soft armor UD for programs that want fewer layers to reach target protection while keeping assembly more efficient.

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 areal density per ply for reduced layer count
  • Optimized for streamlined assembly
  • Strong fit for heavier-duty soft protection builds
Applications
  • Soft armor panels
  • Ballistic vest inserts
  • Multi-standard protective systems
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

Brand NameLOONG-FLEX® SA (Soft Armor – Aramid UD)
Product CodeSA-2135
Armor TypeSoft Body Armor
ConstructionUD Cross-Ply Laminate
ApplicationBallistic Vest / Soft Body Armor Panel
Manufacturing NoteUD line with Honeywell machinery.
Product FormRoll

Physical & Material Data

Areal Density (with film)235 g/m²
Fabric Width1600 mm
Roll Length150m
Fiber TypeHigh-Tenacity Para-Aramid

Ballistic & Process Performance

Flexibility Rating++
Key AdvantageHigh areal density per ply enables fewer layers for equivalent protection levels — optimized for streamlined assembly
NIJ IIIA 9mm18 Plies 4.23 kg/m²
NIJ IIIA .44 Magnum25 Plies 5.85 kg/m²
GA141 Level 220 Plies 4.70 kg/m²
GA141 Level 330 Plies 7.05 kg/m²
Anti-Trauma Material++
V50540 m/s
Catalog Position
BrandLOONG-FLEX®
TemplateFABRIC
SolutionsBallistic Protection
CategoryUD Fabric
Download Center

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

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