Comprehensive Characterization of Furcraea selloa K. Koch Peduncle Fiber-Reinforced Polyester Composites—Effect of Fiber Length and Weight Ratio

Table 2

Properties of liquid and cured polyester resin utilized to prepare composites.

Liquid resin
Acid value	25 mg KOH/g ± 3 mg KOH/g
Appearance	Yellow coloured viscous liquid
Density	1.25 ± 0.10 gm/cc
Specific gravity at 25°C	1.20 ± 0.02
Viscosity at 25°C	200–300 cP
Volatile content	37 wt.% ± 2 wt.%
Cured resin
Elongation at break	1.20% ± 0.24%
Flexural modulus	1.73 GPa ± 0.38 GPa
Flexural strength	42.70 MPa ± 2.15 MPa
Impact strength	0.65 J/cm2 ± 0.05 J/cm2
Melting point	280°C
Rockwell hardness	64 HRRW ± 3 HRRW
Shear strength	4.10 MPa ± 1.34 MPa
Tensile modulus	1.0 GPa ± 0.2 GPa
Tensile strength	35.0 MPa ± 1.5 MPa