Table 2: Performance index of basalt fiber.

Filament diameter, μm Density,
g/cm3
Tensile
strength, MPa
Elongation
at break,%
elasticity modulus, Gpa maximum permissible service temperature, °C Fiber type Length, mm
13 2.65~3.05 3000~3500 3.2 90~110 650 Chopped & continuous 6 and 18