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RAW FIBER / LOONG-FLEX®

SF-YF529RC-1000D Para-aramid Filament Twisted Yarn.
Technical Profile.

High-performance twisted para-aramid filament yarn engineered for tire and automotive reinforcement, especially for high-performance passenger car tire structures.

Product Image
SF-YF529RC-1000D Para-aramid Filament Twisted Yarn
Quick Facts
Product CodeSF-YF529RC-1000D
Product FormPara-aramid filament twisted yarn
Linear Density1123 dtex
Tenacity20.2 cN/dtex
Twist120 tpm / Z
Product Summary

High-performance twisted para-aramid filament yarn engineered for tire and automotive reinforcement, especially for high-performance passenger car tire structures.

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 Automotive & Tires and is suited to engineering teams that need material efficiency, scalable conversion, and clear specification control from development to production.

Key Features
  • High strength and modulus for tire stability
  • Fatigue-resistant under repeated stress cycles
  • Optimized for rubber adhesion after RFL dipping
Applications
  • High-performance passenger car tires
  • Automotive reinforcement
  • Rubber compound reinforcement
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

Product CodeSF-YF529RC-1000D
Product FormPara-aramid filament twisted yarn

Additional Notes

Linear Density1123 dtex
Tenacity20.2 cN/dtex
Twist120 tpm / Z
Breaking Elongation3.9%
Catalog Position
BrandLOONG-FLEX®
TemplateRAW FIBER
SolutionsAutomotive & Tires
CategoryTwisted Thread
Download Center

Download the full PDF TDS for complete testing conditions, processing notes, and engineering details.

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