MIL-PRF-23942A(AS)
3.3 Workmanship. The material furnished under this specification shall be a uniform product
free from foreign contaminates. It shall be manufactured in accordance with standard
manufacturing procedures of the industry.
TABLE I. Chemical and pysical requirements.
Requirement
Characteristic
Type I
Type II
Minimum
Maximum
Minimum
Maximum
200
Viscosity, poise at 77°F
300
350
230
1.5
Viscosity ratio, 77°F/100 °F
3.0
3.0
1.5
0.890
Specific gravity, 60 /60°F
0.925
0.925
0.890
1.514
Index of refraction, 25/D
1.519
1.519
1.514
Carboxyl content, weight (wt.)
1.10
1.40
1.90
1.60
percent
Unsaturation type,
25
45
45
25
Cis (percent of total)
35
55
55
35
Trans (percent of total)
15
30
25
20
Vinyl (percent of total)
-
1.0
1.0
-
Volatiles, wt. percent
0.05
-
0.05
-
Moisture, wt. percent
1.5
1.0
1.0
1.5
Antioxidant, wt. percent
0.2
-
-
0.2
Insoluble in trichloroethylene,
wt percent
0.05
-
-
0.05
Ash, ignited, wt. percent
18,400
17,900
17,900
18,400
Heat of combustion, British Thermal
Units (BTU) per pound mass, net
3
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