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FABRIC / LOONG-FLEX®

SJ200-160S UHMWPE Soft Armor UD.
Technical Profile.

A high-value UHMWPE unidirectional soft armor material designed for NIJ IIIA vests that need a balanced mix of protection, flexibility, and cost efficiency.

SJ200-160S UHMWPE Soft Armor UD
Quick Facts
Brand NameLOONG-FLEX® SA Series (Soft Armor – UHMWPE UD)
Product CodeSJ200-160S
Armor TypeSoft Body Armor
ConstructionUD Cross-Ply Laminate
ApplicationBallistic Vest / Soft Body Armor Panel
Product Summary

A high-value UHMWPE unidirectional soft armor material designed for NIJ IIIA vests that need a balanced mix of protection, flexibility, and cost efficiency.

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
  • Optimal protection-to-cost balance for mainstream soft armor programs
  • 160 gsm 4-ply cross-ply UD with waterborne polyurethane binder
  • Designed for vest panels with strong multi-hit behavior
Applications
  • Ballistic vest panels
  • Soft body armor inserts
  • General police and security armor 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 Series (Soft Armor – UHMWPE UD)
Product CodeSJ200-160S
Armor TypeSoft Body Armor
ConstructionUD Cross-Ply Laminate
ApplicationBallistic Vest / Soft Body Armor Panel
Product FormRoll

Physical & Material Data

Areal Density (with film)160 g/m² ± 5 g/m²
Fabric Width1600 mm
Roll Length100 m (standard) / Customizable
Fiber TypeUHMWPE — SJ200 Grade
Fiber Tenacity35 – 38.5 cN/dtex
Matrix / BinderWaterborne Polyurethane (WPU)

Ballistic & Process Performance

Flexibility Rating++
Key AdvantageHigh-tenacity mid-grade UHMWPE UD; optimal balance of protection, weight and cost for NIJ IIIA vests
Resin SystemWaterborne polyurethane — low VOC, eco-friendly
Multi-hit CapabilityGood resistance to multiple fragment impacts
ProcessingCompatible with standard hot-press lamination
NIJ IIIA 9mm25 Plies 4.00 kg/m²
NIJ IIIA .44 Magnum32 Plies 5.12 kg/m²
GA141 Level 222 Plies 3.52 kg/m²
GA141 Level 332 Plies 5.12 kg/m²
Anti-Trauma Material++
V50650 ± 15 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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