Effect of Graphene Fillers on the Water Absorption and Mechanical Properties of NaOH-Treated Kenaf Fiber-Reinforced Epoxy Composites

Table 1

Composition of the prepared samples.

Sample number	Kenaf fiber (wt.%)	Epoxy resin (wt.%)	Graphene (wt.%)
S1	40	60	0
S2	38	60	2
S3	36	60	4
S4	34	60	6
S5	32	60	8