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FABRIC / LOONG-FLEX®

SA-3180 Ultra-Light Aramid Soft UD.
Technical Profile.

A standout para-aramid soft armor UD engineered as an especially light solution against .44 Magnum SJHP, making it a strong candidate for weight-sensitive vests.

SA-3180 Ultra-Light Aramid Soft UD
Quick Facts
Brand NameLOONG-FLEX® SA (Soft Armor – Aramid UD)
Product CodeSA-3180
Armor TypeSoft Body Armor
ConstructionUD Cross-Ply Laminate
ApplicationBallistic Vest / Soft Body Armor Panel
Product Summary

A standout para-aramid soft armor UD engineered as an especially light solution against .44 Magnum SJHP, making it a strong candidate for weight-sensitive vests.

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
  • Highlighted as the lightest solution against .44 Magnum SJHP
  • Excellent flexibility for wearable armor systems
  • Built on Honeywell-line UD manufacturing note
Applications
  • Lightweight ballistic vests
  • Wearable soft armor
  • Premium body armor inserts
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-3180
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)180 g/m²
Fabric Width1600 mm
Roll Length200m
Fiber TypeHigh-Tenacity Para-Aramid

Ballistic & Process Performance

Flexibility Rating++++
Key AdvantageTHE LIGHTEST SOLUTION AGAINST .44 MAGNUM SJHP
NIJ IIIA 9mm22 Plies 3.96 kg/m²
NIJ IIIA .44 Magnum30 Plies 5.40 kg/m²
GA141 Level 337 Plies 6.66 kg/m²
Anti-Trauma Material++++
V50550 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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