MIL-DTL-45444C
TABLE I.
Chemical and physical requirements for HMX
Test
Test
Grade A
Grade B
Paragraph
Alpha HMX, wt % (max),
0.10
0.10
4.7.1
HMX content(Beta),
wt % (min)
93
98
4.7.1
RDX content, wt % (max)
7
2
4.7.1
Melting point, Celsius
(deg. C), (min)
277
277
4.7.2
No. of Insoluble particles,
on USS No. 40 sieve (max)
0
0
4.7.3
on USS No. 60 Sieve (max)
5
5
Acetone insoluble
material, wt % (max)
0.05
0.05
4.7.4
Inorganic insoluble,
wt % (max)
0.03
0.03
4.7.5
Acidity, wt % (max)
0.02
0.02
4.7.6
Impact sensitivity, cm (min), (See Note 1)
ERL, type 12, 2.5 kg
17
17
4.7.7.3
Holston impact method
Short method
(for acceptance only)
26
26
4.7.7.4.1
Long method
26
26
4.7.7.4.2
Granulation
(See Table II) (See Table II)
4.7.8
Workmanship
(See 3.4)
(See 3.4)
4.7.9
Note 1 - Either the ERL, type 12, 2.5 kg impact sensitivity test
method or the Holston impact sensitivity test method may be used.
The ERL impact test method is described in MIL-STD-1751. The
ERL, type 12 machine is shown in the Naval Sea System Command
impact machine drawing (see 2.2.2). The Holston impact machine
is shown in the Holston AAP impact machine drawing (see 2.2.2).
3.2.1 Granulation. HMX shall be designated as Class 1 to
Class 6 in compliance with the granulation requirements given in
Table II, when tested in accordance with 4.7.8.
4
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