Performance | Basalt fiber | E glass fiber | Aramid fiber | carbon fibre |
Density(g/cm3) | 2.65 | 2.7 | 1.45 | 1.78 |
Service temperature(ºC) | -269~700 | -60~450 | 250 | 200 |
Thermal conductivity W/(m·K) | 0.031~0.038 | 0.034~0.040 | 0.04~0.13 | 5~185 |
Resistivity (20ºC)/Ω·m | 1×1012 | 1×1011 | 3×1013 | 2×15-5 |
Tensile strength(MPa) | 3800~4800 | 3100~3800 | 2900~3400 | 3500~6000 |
Elongation(%) | 1.25~3.2 | 1.3~2.0 | 2.8~3.6 | 2.7~3.0 |
Elastic modulus(GPa) | 83.5~110 | 58~75.5 | 70~140 | 230~580 |
Sound absorption coefficient | 0.9~0.99 | 0.8~0.93 | ― | ― |
Chemical composition | Mass percentage |
SiO2 | 52−58 |
Al2O3 | 14−19 |
CaO | 5−9 |
MgO | 3.0−6 |
Na2O, K20 | 3−6 |
TiO2 | 0.5−2.5 |
Fe2O3, FeO | 9.0−14.0 |
Other | 0.09−0.13 |
fiber diameter(μm) | Linear density(tex) | Breaking strength(N/Tex) | Elongation(%) | Moisture content(%) |
13~22 | 600~4800 | ≥0.4 | 2.0 | ≤1 |