Influence of SiO₂ Filler Addition on the Types I and II Shear Fracture Toughness of Hemp Fiber-Reinforced Epoxy Mixtures

Table 1

Common properties of fibre and matrix.

Sr. no.	Properties	Hemp fiber	Epoxy resin
1	Cellulose (%)	67.4–69.18	–
2	Hemicellulose (%)	11–15.32	–
3	Lignin (%)	3.21	–
4	Density (g/cm^3)	1.37	1.21
5	Tensile strength (MPa)	279–862	7–21
6	Young’s modulus (GPa)	69–70	0.88
7	Elongation (%)	2.3–3.18	1.54