Table 4. Mechanical Properties of Various Glass Fiber Filled Polyamide66 Composites Before and After Immersion in MEG (1,008 h)

		Tensile Strength (MPa) [5 mm/min]	Tensile Modulus (MPa) [5 mm/min]	Tensile Elongation (%) [5 mm/min]	Impact Strength (kJ/m2) [unnotch]
D	Before	178	9,551	3.1	66.04
	After	100	5,099	4.3	69.42
	% change rate	−44	−47	+40	+5
Z	Before	185	9,494	3.5	76.62
	After	102	4,646	4.4	73.97
	% change rate	−45	−51	+28	−3
K	Before	171	9,078	2.9	61.09
	After	94	5,022	3.5	67.76
	% change rate	−45	−45	+23	+11
A	Before	167	9,039	3.3	77.2
	After	96	4,561	5.4	88.43
	% change rate	−43	−50	+63	+15