Table 1 Major properties of fibers.
No. | Aspect ratio | Length (mm) | Diameter (μm) | Density (g/cm3) | Elastic modulus (GPa) | Melting point (°C) | Tensile strength (MPa) | Water absorption (%) |
|---|---|---|---|---|---|---|---|---|
PFA | 167 | 8 | 48 | 0.91 | 6.5 | 160 | ≥ 400 | < 0.1 |
PFB | 280 | 13.6 | ||||||
PFC | 396 | 19 |