Kenaf Fibre Reinforced Polypropylene Composites: Effect of Cyclic Immersion on Tensile Properties

Table 1

ANOVA for tensile strength of kenaf/PP composite with 40% and 60% fibre loadings immersed in water and bleach.

Source	DF	Sum of squares	Mean square	value	Pr >
Composition	1	242.32	242.328	384.28	<0.0001
Liquid	1	0.7029	0.70291	1.11	0.2953
Composition Liquid	1	0.0183	0.01831	0.03	0.8653
Cycle	4	64.168	16.0421	25.44	<0.0001
Composition Cycle	4	17.019	4.25486	6.75	0.0001
Liquid Cycle	4	11.245	2.81119	4.46	0.0032
Composition Liquid Cycle	4	0.5062	0.12656	0.20	0.9370
Error	60	37.836	0.63061
Corrected total	79	373.82