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Comparison Of Various Fibers

 Comparison of various Fibers. 

Please know, these values represent an approximate average in the industry.

The chemical compositions and with it the mechancial properties vary by vendor.

Material Density (g/cm³) Tensile strength (GPa) Elastic modulus (GPa)
Steel re-bar 7.85 0.5 210
A-glass 2.46 3.31 69
C-glass 2.46 3.31 69
E-glass 2.6 3.45 76
S-2 glass 2.49 4.83 97
Silicon 2.16 0.206-0.412 -
Quartz 2.2 0.3438 -
Carbon fiber (large) 1.74 3.62 228
Carbon fiber (medium) 1.8 5.1 241
Carbon fiber (small) 1.8 6.21 297
Kevlar K-29 1.44 3.62 41.4
Kevlar K-149 1.47 3.48 -
Polypropylene 0.91 0.27-0.65 38
Polyacrylonit 1.18 0.50-0.91 75
Basalt fiber 2.65 4.15-4.80 100-110