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ARMOR / LOONG-FLEX®

SW-420T Twill Helmet Fabric.
Technical Profile.

A twill-weave para-aramid helmet fabric tuned for rigid composite armor where shell forming, structural integrity, and ballistic performance all need to stay aligned.

SW-420T Twill Helmet Fabric
Quick Facts
Brand NameLOONG-FLEX® SW (Hard Armor / Helmet – Woven Fabric Series)
Product CodeSW-420T
Armor TypeHard Armor / Ballistic Helmet / Rigid Composite
ConstructionTwill Weave, Single Layer
ApplicationBallistic Helmet Shell / Hard Armor Panel
Product Summary

A twill-weave para-aramid helmet fabric tuned for rigid composite armor where shell forming, structural integrity, and ballistic performance all need to stay aligned.

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
  • Helmet-grade twill fabric for rigid composites
  • Strong resin-plate ballistic performance
  • Good structural balance for formed helmet parts
Applications
  • Ballistic helmet shells
  • Hard armor panels
  • Rigid composite armor parts
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® SW (Hard Armor / Helmet – Woven Fabric Series)
Product CodeSW-420T
Armor TypeHard Armor / Ballistic Helmet / Rigid Composite
ConstructionTwill Weave, Single Layer
ApplicationBallistic Helmet Shell / Hard Armor Panel
Manufacturing Notesuperior composite V50 and structural performance
PRIMARY APPLICATIONBallistic Helmet Shell / Hard Armor Panel / Armored Vehicle Final composite performance is resin-system and process dependent. End-user system validation required

Physical & Material Data

Areal Densityg/m² 420±10
Fabric Widthmm 1300
Roll Lengthm 100
Fabric Thicknessmm 0.65± 0.05
Warp Yarn Densityyarns/10 cm 122 ± 2
Weft Yarn Densityyarns/10 cm 120 ± 2
Oil Content0.8

Ballistic & Process Performance

V50515 m/s
Catalog Position
BrandLOONG-FLEX®
TemplateARMOR
SolutionsBallistic Protection
CategoryWoven 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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