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ARMOR / LOONG-FLEX®

SJ300-110H Premium Hard Armor UD.
Technical Profile.

A premium high-tenacity hard armor UHMWPE UD created for advanced plates and rigid composite systems that target higher ballistic efficiency and lighter build strategies.

SJ300-110H Premium Hard Armor UD
Quick Facts
Brand NameLOONG-FLEX® HA Series (Hard Armor – UHMWPE UD)
Product CodeJ300-110H
Armor TypeHard Ballistic Plate
ConstructionUD Cross-Ply Laminate
ApplicationHard Armor Plates (Standalone/Backer) / Vehicle Armor/ Ballistic Shields
Product Summary

A premium high-tenacity hard armor UHMWPE UD created for advanced plates and rigid composite systems that target higher ballistic efficiency and lighter build strategies.

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
  • SJ300 fiber platform for premium hard armor builds
  • Excellent fragment V50 at 110 gsm format
  • Designed for advanced ceramic-backed structures
Applications
  • Lightweight hard plates
  • Vehicle armor
  • Premium shield 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® HA Series (Hard Armor – UHMWPE UD)
Product CodeJ300-110H
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 —SJ300 Grade
Fiber Tenacity40 – 42 cN/dtex
Matrix / BinderThermoplastic Resin

Ballistic & Process Performance

Processing MethodHot Press / Mold
Recommended Press Temp125 – 135 °C
Recommended Press Pressure8 – 15 MPa
NIJ IIIA 9mm44 Plies 4.84 kg/m²
NIJ IIIA .44 Magnum44 Plies 4.84 kg/m²
AK / MSC M80118 Plies 13.0 kg/m²
NIJ Level IV15.5 kg/m²
V50680 ± 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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