Evaluation of Water Diffusion Mechanism on Mechanical Properties of Polypropylene Composites

Table 4

Comparison of Impact strength of polypropylene composites under wet and dry conditions.

Composites code	Dry specimen	Wet specimen	% reduction in impact strength (kJ/m^2)
	Impact strength (kJ/m^2)	Impact strength (kJ/m^2)
KA1	45.52	44.93	7.8
KA2	69.81	65.32	6.4
KA3	62.90	57.61	5.2
KA4	57.50	50.23	12.6
NB1	50.30	46.73	7.1
NB2	45.53	42.44	6.7
NB3	74.67	70.22	5.9
NB4	40.70	35.30	13.2
PPP	28.30	27.12	4.2