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Table 4

Test results of water and detergent contamination.

Lubricating oil Roller Time to failure(h) L10 life (h) β-slope
    #1 #2 #3 #4 #5    
T 32 New 197.0 83.5 100.0 122.3 107.6 136.3 3.19
5 wt.% water in T32 New 31.2 41.2 21.5 18.8 15.3 13.4 2.95
5 wt.% Detergent A in T32 New 82.4 94.0 37.5 30.2 42.3 25.8 2.44
5 wt.% Detergent B in T32 New 16.0 10.0 8.2 11.0 14.9 8.09 4.59

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