Table 3. Hardness of MRE Containing Various Precured EPDMs

Shore A hardness	i-MRE		a-MRE
	5:5	7:3	5:5	7:3
NR	52		58
NE0	56	58	59	61
NE15	56	57	59	60
NE30	57	57	61	61
NE45	57	55	61	61
NE60	58	56	62	61
NE75	58	55	62	62
NE90	61	57	63	62
EPDM	55		61