Table 2. Experimental Result of Air Aged CIIR/EPDM Blends Determined at 125°C'

Measurement Condition : Before Aged
Item	T-1	T-2	T-3	T-4	T-5
Hardness*	49	52	55	58	62
Tensile Strength**	129	139	163	180	209
Measurement Condition : 125°C×6 hr
Item	T-1	T-2	T-3	T-4	T-5
Hardness*	53	56	55	58	62
Tensile Strength**	127	136	161	174	201
Measurement Condition : 125°C×12 hr
Item	T-1	T-2	T-3	T-4	T-5
Hardness*	58	60	62	65	69
Tensile Strength**	123	129	155	169	192
Measurement Condition : 125°C×24 hr
Item	T-1	T-2	T-3	T-4	T-5
Hardness*	60	61	63	66	70
Tensile Strength**	115	120	148	161	182

Hardness: Shore A
Tensile strength: kgf/cm²