Table 6. Life Time Prediction

Confidence Level : 95 %
Temperature	Percentile	Elongation		Hardness(IRHD)
		hour	year	hour	year
30	50	303 170	34.61	253 620	28.95
35	50	171 960	19.63	155 950	17.80
40	50	99 317	11.34	97 396	11.12
45	50	58 361	6.66	61 733	7.05
50	50	34 863	3.98	39 685	4.53
55	50	21 156	2.42	25 857	2.95
60	50	13 032	1.49	17 066	1.95