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5.4 Thermal Conductivity.B<br />

Density Conductivity<br />

WmS) (Cal/s-cm-%)<br />

1.53 6.83 X 1O-4<br />

1.39 5.81 x 1o-4<br />

5.6 Heats of Combustion and Formation at 25”C.‘O<br />

-836.8 kcal/mole 7.6 kcal/mole<br />

5.7 Thermal Decomposition Kinetics.”<br />

Activation energy<br />

Frequency factor<br />

5.8 Other Thermal Stability Test Results.<br />

Test<br />

Vacuum stability<br />

DTA and pyrolysis<br />

Critical temperature, Tm<br />

38.4 k Cal/mole<br />

2.51 X 1016/s<br />

Results<br />

0.4-1.0 ml/g of gas evolved<br />

after 48 h at 120°C<br />

See Fig. 2<br />

187°C<br />

Fig. 2. Tetryl DTA and pyrolysis test results.<br />

TETRYL<br />

167

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