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|  MIL-A-3850
24 DECEMBER 1952
SUPERSEDING
PXS-1281
3 AUGUST 1948
MILITARY SPECIFICATION
ACETYLENE BLACK
This specification has been approved by the Depart-
ments of the Army, the Navy, and the Air Force.
1. SCOPE
3. REQUIREMENTS.
1.1 This specification covers one grade of
3.1 Material. The acetylene black shall be
acetylene black.
manufactured by the incomplete combustion
of acetylene by any suitable method which
will produce material conforming to the re-
2. APPLICABLE SPECIFICATIONS,
quirements of this specification.
STANDARDS, DRAWINGS, AND PUBLI-
CATIONS
3.2 Chemical and physical requirements. --
2.1 The following specifications and stand-
The acetylene black shall conform to the
ard, of the issue in effect on date of invita-
chemical and physical requirements shown
tion for bids, form a part of this specification:
in table I, when tested in accordance with
the applicable test method specified in sec-
SPECIFICATIONS
tion 4.
FEDERAL
TABLE I. --Chemical and physical require-
RR-S-366
--Sieves; Standard, Test-
ments of the acetylene black.
ing.
Test
Require-
method
MILITARY
ment
paragraph
Property
MIL-G-2550 --General Specification for
Moisture content, percent,
Ammunition Except Small Arms Am-
4.4.1
maximum - - - - - - - - - - - - - - - 0.50
munition.
Sulfur content, percent,
4.4.2
maximum - - - - - - - - - - - - - - - 0.05
NAVY DEPARTMENT
matter,
Ether-extractable
4.4.8
percent, maximum - - - - - - - 0.50
General Specifications for Inspection of
Volatile matter, percent,
Material.
4.4.4
maximum - - - - - - - - - - - - - - 2.0
Water-soluble matter, per-
4.4.5
cent, maximum - - - - - - - - - - 0.10
STANDARDS
4.4.6
Ash, percent, maximum - - - - 0.10
pH of water extract - - - - - - - 6.0 1.0
4.4.7
MILITARY
4.4.8
Apparent density, g/cc. - - - -
0.08 0.03
Coarse particles:
MILSTD129--Marking of Shipments.
R e t a i n e d on No. 325
sieve 1, percent, maxi-
4.4.9
mum - - - - - - - - - - - - - - - 0.10
(Copies of specifications, standards, and drawings
4.4.10
required by contractors in connection with specific
Grit, percent, maximum - - - - 0.05
procurement functions should be obtained from the
1
The sieve shall conform to Specification RR-S-
procuring agency or as directed by the contracting
officer.)
366.
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