Effect of the Addition of Oil Palm Mesocarp Fibers on the Physical and Mechanical Properties of a Polyester Matrix Composite

Table 5

Longitudinal three-point flexural modulus of different combinations of the UP-OPMF composite.

Samples	UP-100	UP-OPMF-2.5	UP-OPMF-5	UP-OPMF-7.5	UP-OPMF-10	UP-OPMF-12.5	UP-OPMF-15
(MPa)	2319.6	2346	2489	2013.3	1745	1504	1218.8
SD	127.0	184.3	257.3	169.4	98.5	205.0	161.0
(MPa)	61.7	23.3	27.0	28.6	28.6	23.3	22.6
(%)	2.81	0.94	1.10	1.64	1.97	1.98	2.28