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ARMOR / LOONG-FLEX®

SJ280-110H High-V50 Hard Armor UD.
Technical Profile.

A thinner high-tenacity hard armor UHMWPE UD designed to push fragment V50 performance while keeping laminate thickness under control.

SJ280-110H High-V50 Hard Armor UD
Quick Facts
Brand NameLOONG-FLEX® HA Series (Hard Armor – UHMWPE UD)
Product CodeJ280-110H
Armor TypeHard Ballistic Plate
ConstructionUD Cross-Ply Laminate
ApplicationHard Armor Plates (Standalone/Backer) / Vehicle Armor/ Ballistic Shields
Product Summary

A thinner high-tenacity hard armor UHMWPE UD designed to push fragment V50 performance while keeping laminate thickness under control.

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
  • 110 gsm 2UD format for efficient layering
  • High fragment resistance for hard armor systems
  • A strong option for advanced rigid composites
Applications
  • Hard armor plates
  • Rigid composite panels
  • Ballistic shields
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® HA Series (Hard Armor – UHMWPE UD)
Product CodeJ280-110H
Armor TypeHard Ballistic Plate
ConstructionUD Cross-Ply Laminate
ApplicationHard Armor Plates (Standalone/Backer) / Vehicle Armor/ Ballistic Shields
Product FormRoll

Physical & Material Data

Areal Density (with film)110 g/m² ± 5 g/m²
Fabric Width1600 mm
Roll Length100 m (standard) / Customizable
Fiber TypeUHMWPE —SJ200 Grade
Fiber Tenacity37 – 39.5 cN/dtex
Matrix / BinderThermoplastic Resin

Ballistic & Process Performance

Processing MethodHot Press / Mold
Recommended Press Temp125 – 135 °C
Recommended Press Pressure8 – 15 MPa
NIJ IIIA 9mm45 Plies 5.0 kg/m²
NIJ IIIA .44 Magnum45 Plies 5.0 kg/m²
AK / MSC M80124 Plies 13.6 kg/m²
NIJ Level IV16.5 kg/m²
V50640 ± 15 m/s
Catalog Position
BrandLOONG-FLEX®
TemplateARMOR
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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