Table 3: Tensile properties of individual fibers.

INI treatment conditionsModulus (GPa)LSD TestStrength (MPa)LSD test

Untreated fiber13.5A810A
100°C, 1 : 214.7A1001B
160°C, 1 : 214.6A1032B

1 : 2 means the molar ratio of Na2CO3 to CaCl2. Average of 30 samples. Means with the different letter are significantly different at .