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FABRIC / LOONG-FLEX®

SJ300-160S Conformable UHMWPE UD.
Technical Profile.

A high-tenacity UHMWPE UD developed for soft armor systems that require strong conformability, low areal weight, and premium wearer comfort.

SJ300-160S Conformable UHMWPE UD
Quick Facts
Brand NameLOONG-FLEX® SA Series (Soft Armor – UHMWPE UD)
Product CodeSJ300-160S
Armor TypeSoft Body Armor
ConstructionUD Cross-Ply Laminate
ApplicationBallistic Vest / Soft Body Armor Panel
Product Summary

A high-tenacity UHMWPE UD developed for soft armor systems that require strong conformability, low areal weight, and premium wearer comfort.

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
  • Uses ultra-high-tenacity SJ300 fiber
  • Special film system for improved conformability
  • Suitable for covert armor and ESAPI backer concepts
Applications
  • Covert armor
  • Soft armor panels
  • ESAPI backer materials
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 CodeSJ300-160S
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 — SJ300 Grade
Fiber Tenacity40 – 42 cN/dtex
Matrix / BinderWaterborne Polyurethane (WPU)

Ballistic & Process Performance

Flexibility Rating++
Key AdvantageCombines J300 ultra-high tenacity fiber with special film for maximum conformability; ideal for ESAPI backer, fragment vests, covert armor
Resin SystemWaterborne polyurethane — low VOC, eco-friendly
Multi-hit CapabilityOutstanding
ProcessingCompatible with cold/warm press lamination
NIJ IIIA 9mm22 Plies 3.52 kg/m²
NIJ IIIA .44 Magnum24 Plies 3.84 kg/m²
Anti-Trauma Material++
V50560 ± 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.

Download Full PDF TDS

Proprietary Data. Unauthorized distribution strictly prohibited.

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