Evaluation of Water Diffusion Mechanism on Mechanical Properties of Polypropylene Composites

Table 3

Comparison of tensile strength and modulus of elasticity of polypropylene composites under wet and dry conditions.

Composites codes	Dry specimen		Wet specimen		% reduction in tensile strength
	Tensile strength (MPa)	Tensile Modulus (GPa)	Tensile strength (MPa)	Tensile Modulus (GPa)
KA1	50.52	1.558	45.1	1.122	10.7
KA2	59.81	1.486	53.03	1.235	11.3
KA3	69.90	1.342	65.9	1.356	14.3
KA4	82.30	1.179	68.35	1.456	17.0
NB1	55.98	1.559	50.05	1.095	10.0
NB2	64.47	1.448	56.38	1.197	12.5
NB3	54.53	1.374	44.22	1.298	18.9
NB4	77.45	1.298	60.23	1.134	19.1
PPP	34.3	1.051	32.5	1.102	5.2