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High-Performance Para-Aramid Fiber
Strength · Stability · Lightweight Reinforcement
— High tensile strength and modulus for tension stability
—UV and moisture resistance for outdoor durability.
—Non-conductive and lightweight for ADSS and FTTH systems
—Custom DTex, twist, and color options for OEM compatibility.

The one-stop solutions
of Para-aramid fiber materials
With full industry chain, Aramid Filament, Aramid Yarn, Aramid Staple fiber, Aramid Pulp, Sinopara® delivers the strength and consistency trusted by leading global cable manufacturers — a reliable Kevlar® alternative backed by ISO-certified production and responsive technical support.
Aramid Product Portfolio
▶ Sinopara® Filament Yarn (529R, 529S, 539, 629 Series)
High-tenacity para-aramid filament yarns used in:
- ADSS / OPGW / FTTH fiber optic cables
- Rubber reinforcement: conveyor belts, hoses, seals
- Composites and safety fabrics
▶ Sinopara® Staple Fiber & Short-Cut Fibers
Chopped aramid fiber optimized for blending into rubber compounds and thermoplastics.
- Excellent dispersion & matrix bonding
- EPDM, NBR, and PU system compatibility
▶ Sinopara® Aramid Paper
Nonwoven para-aramid paper for electrical insulation, honeycomb cores, and fire-resistant laminates.
- UL-recognized grades available
- Thermal stability >200°C

Designed for Industry Needs
Fiber Optic Cable Industry
Sinopara® 539 offers ≥18.5 cN/dtex strength, low elongation, and UV-resistance for outdoor cables.
Rubber Reinforcement
Our 529R series is engineered with rubber-compatible finishes, delivering high bonding strength and superior fatigue life.
Electrical & Composite Materials
Sinopara® aramid paper and chopped fibers are widely used in insulation, FRP, and aerospace prepreg systems.



As a global leader in aramid fiber technology, Staramid Advanced Materials delivers cutting-edge para-aramid and meta-aramid solutions.
Sinopara® para-aramid filament is a high-performance reinforcement material designed for ADSS, OPGW, and FTTH fiber optic cables.
It provides exceptional tensile strength, thermal stability, and UV resistance, ensuring long-term cable reliability even in harsh outdoor environments.
With its low density (1.44 g/cm³) and non-conductive dielectric properties, Sinopara is the ideal strength member for high-speed communication networks requiring safety, lightweight design, and dimensional precision.
Para-Aramid filaments are engineered to deliver high strength, modulus, and durability— all while maintaining flexibility and lightweight performance. Need detailed specifications or sample support? | 🔧 Contact Engineer Get in Touch Let us support your next project in cables field.
Application glance
Reinforcing Rubber for Enhanced Durability
High-tenacity para-aramid filament yarns used in: Sinopara® 529 Para-aramid filament is ideal for reinforcing rubber in applications such as tires, belts, hoses, and seals. Its high tenacity and heat resistance improve the performance and lifespan of rubber products used in extreme conditions.


Application at glance
Enhancing the Strength and Durability of Fiber Optic Cables
Sinopara® 539 Para-aramid filament is specially designed to provide high tenacity and modulus, making it the perfect reinforcement for optical cable fibers. Our filaments meet the stringent requirements for strength and durability in fiber optic applications, ensuring a robust performance for critical communication networks.