MIL-DTL-24441/20B(SH)
QUANTITATIVE REQUIREMENTS: The paint shall meet the following quantitative requirements and the
qualitative requirements of section 3 of the general specification. The components A and B shall be mixed 1:1 by
volume for mixed component tests. Tests shall be performed in accordance with the general specification.
Component A
Component B
Mixed components
Requirements
Min
Max
Min
Max
Min
Max
Pigment content, percent (%)
51.4
55.4
24.1
28.1
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Volatiles, %
25.1
29.1
22.6
26.6
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Nonvolatile vehicle, %
17.5
21.5
47.3
51.3
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Water, %
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1.5
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0.5
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Coarse particles, %
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0.3
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0.3
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Consistency, grams
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500
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275
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Kilograms per liter (kg/L)
1.38 (11.5)
1.43 (11.9)
1.20 (10.0)
1.32 (11.0)
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(pounds per gallon (lb/gal))
Set to touch, hours
a. at 4.4 °C (40 °F)
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2
b. at 23 °C (73 °F)
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2
Dry-hard, hours
a. at 4.4 °C (40 °F)
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24
b. at 23 °C (73 °F)
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6
Fineness of grind, NS
3
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2
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Flash point, C (F)
35.6 (96)
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37.8 (100)
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35.6 (96)
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Titanium dioxide, % of pigment
14
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Pot life, hours at 23 C (73 F)
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5
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Sag resistance, micrometers (mils)
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225 (9)
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Color of dry film to approximate
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Conform
the standard color chip
Weight per epoxy vehicle
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175
195
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Contrast ratio, 3-mil dry film
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0.98
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thickness
VOC, grams per liter (g/L)
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340 (2.8)
(lb/gal)
1/
Thixatrope to be used is the manufacturer's choice. In the development of component A, 6.80 kilograms
(15 pounds) (7.95 liters (2.1 gallons)) of Disparlon NS-30 made by King Industries were used.
Manufacturer is responsible for choosing a thixatrope that meets all the requirements herein, including shelf
life. Thixatrope is a pigment for calculation purposes.
2/
GENAMID 2000, Cognis Corp.; ANCAMIDE 507, Air Products Chemical Corp.; EPOTUF SF7791,
REICHHOLD Chemical.
3/
VERSAMID 280B75, Cognis Corp.; ANCAMIDE 700B75, Air Products Chemical Corp.; EPOTUF
SF7792, REICHHOLD Chemical.
4/
Titanium dioxide conforming to ASTM D476, Type IV. In the development of component A, DuPont
Tipure R960 was used.
5/
Nicron 503, Luzenac, Inc.
2
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