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Aramid Fiber Filament Yarn is a high-performance continuous synthetic fiber yarn with ultra-high strength and excellent heat resistance. Produced through professional spinning and surface treatment processes, it features uniform fineness, stable tension and excellent yarn integrity. As a core raw material for weaving and composite reinforcement, it delivers outstanding mechanical and thermal properties for advanced industrial and protective products.
Aramid Fiber Filament Yarn is a high-performance continuous synthetic fiber yarn with ultra-high strength and excellent heat resistance. Produced through professional spinning and surface treatment processes, it features uniform fineness, stable tension and excellent yarn integrity. As a core raw material for weaving and composite reinforcement, it delivers outstanding mechanical and thermal properties for advanced industrial and protective products.
Feature:
Ultra-high tensile strength and high toughness, excellent impact and burst resistance
Outstanding flame retardancy and high temperature resistance, non-melting at high heat
Excellent heat insulation and low thermal shrinkage performance
Superior chemical stability, acid and alkali corrosion resistance
Excellent abrasion resistance and long-term fatigue resistance
Lightweight, flexible and easy for weaving, twisting and composite processing
Application:
Production of fireproof, heat-resistant and bulletproof protective fabrics and garments
High-performance woven tapes, sleeves, ropes and industrial textiles
Aerospace and aviation lightweight structural reinforcement materials
Automotive heat insulation, friction parts and lightweight composite components
Industrial high-temperature equipment wrapping and anti-abrasion textiles
Military protection, safety defense and high-end functional composite materials
Specification:
S trength Grade | High Tenacity | Standard | High Modulus | ||
| Code | AF301/629T | AF301/629 | AF301/529R | AF301/529S | AF301/539 |
| Linear Density (dtex) | 933-1670 | ≥2000 | ≥110 | 2.0 | 0.193 |
| Linear Density Deviation Rate (%) | ±3 | ±3 | ±3 | ±3 | ±3 |
| Breaking Tenacity (cN/dtex) | ≥23.5 | ≥22.5 | ≥20.5 | ≥19.0 | ≥19.0 |
| Elongation at Break (%) | 3.5~4.5 | 3.5~4.5 | 3.5~4.5 | 2.8~4.5 | 2~3.5 |
| Modulus of Elasticity (GPa) | 90±10 | 90±10 | 90±10 | 90±10 | 120±10 |
Hot Air Shrinkage Rate (190℃, 15min) / % | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 |
| Thermal Decomposition Temperature (℃) | >537.8 | >537.8 | >537.8 | >537.8 | >537.8 |
*Specific products could be made according to customers requirements.

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