Table 5 The specifications of glass fiber
From: R&D on glass fiber reinforced epoxy resin composites for superconducting Tokamak
Specification | Virgin fiber tensile strength (MPa) | Modulus of elasticity (GPa) | Density (g/cm3) | Elongation (%) | Impregnated strand tensile strength (MPa) | Softening point temperature (°C) |
|---|---|---|---|---|---|---|
E-Glass | 3140 | 73 | 2.54 | 4.8 | 1860 | 850 |
R-Glass | 3000–3400 | 80–83 | 2.65 | – | – | 895 |