Environmental Engineering Reference
In-Depth Information
Table 3.15 Effects of amounts of nitromethane and silica on viscosity and explosion velocity of
explosive
Additives
Amount
(%)
Viscosity
(n)
Brisance
(mm)
Explosion
velocity
(m/s)
Strength
(mL)
Detonation trans-
mission distance
(cm)
White car-
bon black
silica
2.5
125
26.3
5,960
398
20
5.0
197
30.5
6,490
416
39
8.0
310
41.7
7,310
479
65
PMMA
2.5
157
24.6
5,740
336
27
5.0
262
27.4
5,930
297
48
thus high ef
er that can achieve the
necessary tackfying effect with only a small amount. As listed in Table
3.15
,
nitromethane explosive is added with 0.5 % of (Cab
cient material should be selected as tacki
Sil) silica gelling agent to
improve its viscosity, thus to stabilize microparticles of aluminum and part of RDX
to suspended in the system.
However, the other two slurry and pasty explosives stabilize aluminum powder
and RDX particles in the mixture system through dissolving polymer nitrocellulose
(1
O
-
-
2 %) in nitroalkanes.
-
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7
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4
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8
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'
215
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-
