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Oxidation Resistance

Temperature Weight Gain*, mg./cm2 Shape of Rate Curve
°F °C 100 h 1000 h -
1200 649 0.00 0.00 Cubic or Logarithmic
1600 871 0.25 0.67** Cubic
1800 982 0.48 1.5** Parabolic
1900 1038 0.52 2.0** Parabolic
2000 1093 2.70 28.2** Linear

3.7mg./cm2=0.001 inch of oxidation
** Extrapolated from data obtained after 170 hours at temperature

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