Aramid (Standard Grade)

Category Type Material
Fibers Synthetic Fibers

show all Fibers types

 Aramid (High Modulus Grade)
Aramid (Standard Grade)
Dyneema
Nylon fiber
Polyester fiber

Data Table for: Fibers: Synthetic Fibers: Aramid (Standard Grade)

Mechanical Properties

Quantity Value Unit
Young's modulus 58000 - 82000 MPa
Tensile strength 2800 - 3400 MPa
Elongation 3.3 - 3.7 %
Compressive strength 174 - 410 MPa
Creep strength 2520 - 3060 MPa
Fatigue 1750 - 2000 MPa
Yield strength 2800 - 3400 MPa

Physical Properties

Quantity Value Unit
Thermal expansion -2 - -5 e-6/K
Thermal conductivity 0.05 - 0.05 W/m.K
Specific heat 1250 - 2900 J/kg.K
Service temperature -200 - 150 °C
Density 1390 - 1440 kg/m3
Dielectric loss factor 4 - 4
Friction coefficient 0.4 - 0.5
Refraction index 1.6 - 2
Water absorption 3.5 - 6.5 %

Environmental Data

Quantity Value Unit
Eco indicator 95 15.2 mPt
EPS 6630 mELU
Ex (in) / Ex (out) 5.859375 MJ/MJ
GER 1650 MJ
Raw materials input 161.205058185464 kg
Solid 59.5481833 kg
Eco indicator 99 0.692 Pt
Environmental remarks Spinning arimide fibers takes 8300 hour and 6000 hour are needed for finishing; All inputdata are assumptions, some emissions are unknown.
Author: Idemat 2003, Design for Sustainability, Delft University of Technology

General

     
Synonyms Teijinconex, New Star, Nomex, X-Fiper, Kermel
Remarks Good resistance against chemicals (not to strong acids and bases) and impact (damage tolerant). High water absorbtion. Poor compressive strength. No melting or glass temperature, but decompostion at about 425 degrees C in air. Due to fibrilar structure, very different longitudinal and transverse properties. Fibers are linear elastic to failure. Data are for untwisted yarn. The shrinkage per degree C is 4e-4%.

Sample: Synthetic Fibers

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