Optical Communication.
Network Infrastructure.
Optical Communication is Sinofibra’s broader telecom-material solution set, connecting synthetic fiber expertise, precision processing, and proprietary coatings into one platform for faster, cleaner, and more reliable optical cable manufacturing.
Optical reinforcement engineered for dry, high-speed, and long-life cable systems.
Optical Communication brings together para-aramid strength members, water-blocking aramid yarns, fillers, binders, and coated fiberglass to support gel-free, high-speed cable programs from loose tubes to aerial and long-span builds.
Water-blocking filler yarn routes are designed for fast absorption in dry cable structures that need rapid water management.
Water-blocking aramid routes combine cable-core wrapping flexibility with dielectric reinforcement and measurable swelling performance.
The solution is built for the inside of the cable system, where tensile reinforcement, shrink control, abrasion behavior, and water management must all work without slowing production.
Filler yarns and water-blocking products are developed to support dry cable architectures that are cleaner to process, easier to handle, and more compatible with modern high-speed manufacturing.
Sinofibra links advanced synthetic fibers with self-developed mechanical processing and coating expertise so telecom customers are not forced to source each performance layer separately.
The platform can tune density, strength, absorption, shrinkage, and coating behavior around specific cable architectures rather than relying only on fixed catalog items.
Engineering the unseen core of gel-free, high-speed telecom cable systems.
This solution expands beyond aramid strength members alone. It links telecom fibers, processing know-how, and functional coatings so cable builders can manage tensile performance, water blocking, abrasion behavior, and shrink control inside one material platform.
Water-Blocking Aramid Yarn
Used to reinforce optical fiber cables while also helping block water and moisture intrusion, with tensile performance and swellable behavior designed for practical telecom conversion.
Water-Blocking Filler Yarn
A filler route for all-dry optical cable structures that replaces messy gels with cleaner, lighter yarn formats while maintaining fast water absorption behavior.
Water-Blocking Binders
Binder systems tuned around low, ultra-low, or zero-shrink execution, helping cable builders bind loose tubes or cable cores while controlling water ingress at the same time.
Coated Fiberglass
Wear-resistant and water-blocking fiberglass routes developed for harsh production environments, shaping control, and abrasion-sensitive cable structures.
The cable story shifts from strength to water control, shrink control, and wear resistance.
Optical Communication is broader than one aramid reinforcement input. The material matrix ties together dielectric strength members, filler yarns, binders, and coated fiberglass routes so the inside of the cable can be tuned around both field performance and factory behavior.
Water-Blocking Aramid Yarn
This route reinforces optical cable structures while also contributing to water blocking. It is positioned for cable builders that need tensile strength, wrapping flexibility, impact resistance, and water-swellable behavior in the same material.
Fiber selection, processing, and coatings aligned to telecom cable behavior.
The optical solution is supported by a broader material toolbox, not a single reinforcement yarn. Sinofibra links multiple base fibers, precision processing methods, and proprietary coating options so cable structures can be tuned around tensile strength, absorption, wear resistance, shrinkage, and line compatibility.
Materials & Products for Optical Communication
FN-529S Para-aramid Continuous Filament Yarn
Mainstream para-aramid filament route for indoor optical cable reinforcement, balancing tensile support, flexibility, and clean handling for FTTH, LAN, and data-center cable programs.
Technical Data Sheet →FN-529B Para-aramid Continuous Filament Yarn
Value-grade para-aramid filament route for cost-sensitive indoor optical reinforcement programs that still need dependable tensile stability and scalable supply consistency.
Technical Data Sheet →FN-539 High-Modulus Para-aramid Continuous Filament Yarn
High-modulus para-aramid filament route for outdoor optical cable reinforcement, positioned for ADSS, long-span aerial lines, and other projects that need stronger sag resistance and tensile support.
Technical Data Sheet →FN-539B High-Modulus Para-aramid Continuous Filament Yarn
Cost-optimized high-modulus para-aramid route for outdoor optical reinforcement, preserving cable support efficiency while improving budget discipline across infrastructure builds.
Technical Data Sheet →FN-WBA1420 Water-Blocking Aramid Yarn
Water-swellable aramid strength-member route that combines dielectric reinforcement with dry water blocking for optical cables that want to reduce gels and tapes.
Technical Data Sheet →FN-WBA2840 Water-Blocking Aramid Yarn
Water-swellable aramid strength-member route that combines dielectric reinforcement with dry water blocking for optical cables that want to reduce gels and tapes.
Technical Data Sheet →FN-WBP200H Water-Blocking Polyester Yarn
Water-swellable polyester filler-yarn route for dry optical cable designs, combining moisture blocking, low dust generation, and low shrinkage for cleaner cable production.
Technical Data Sheet →FN-WBP300H Water-Blocking Polyester Yarn
Water-swellable polyester filler-yarn route for dry optical cable designs, combining moisture blocking, low dust generation, and low shrinkage for cleaner cable production.
Technical Data Sheet →FN-WBP600H Water-Blocking Polyester Yarn
Water-swellable polyester filler-yarn route for dry optical cable designs, combining moisture blocking, low dust generation, and low shrinkage for cleaner cable production.
Technical Data Sheet →FN-WBP800H Water-Blocking Polyester Yarn
Water-swellable polyester filler-yarn route for dry optical cable designs, combining moisture blocking, low dust generation, and low shrinkage for cleaner cable production.
Technical Data Sheet →FN-WBP Water-Blocking Polyester Yarn Series
Series-level summary for Sinofibra water-blocking polyester yarns, covering multiple denier routes for dry cable filling and moisture-control strategies.
Technical Data Sheet →SF-529S Para-aramid Continuous Filament Yarn
General-purpose PPTA continuous filament yarn for industrial textiles, cord and rubber reinforcement, optical cable reinforcement members, and protective or industrial composites.
Technical Data Sheet →SF-539 Para-aramid Continuous Filament Yarn
High-modulus para-aramid continuous filament yarn designed for outdoor optical cable strength members and related industrial reinforcement routes.
Technical Data Sheet →SF-539V Para-aramid Continuous Filament Yarn
Value-grade high-modulus para-aramid continuous filament yarn for outdoor optical cable reinforcement where cost balance and stable tensile support are both important.
Technical Data Sheet →