Table 2. Properties of rubber material after normal and abnormal radiation of room temperature specimens

Type	Item	Room temp. (23°C)			Rate of change (%)
		Before radiation	Normal (2×104 Gy)	Abnormal (2×106 Gy)	Normal (2×104 Gy)	Abnormal (2×106 Gy)
Bead	Hardness	35	38	42	+8.57	+20.0
	Tensile strength	12.1	12.7	3.6	+4.96	-70.2
	Elongation	845	834	217	-1.30	-74.3
Body	Hardness	57	61	66	+7.01	+15.8
	Tensile strength	20.2	20.9	9.6	+3.46	-52.5
	Elongation	535	527	159	-1.49	-70.3