MIL-PRF-44423A
TABLE I. Requirements (cont'd)
Characteristic
Requirements
Abrasion resistance, (class) (face and back) (min.)
2.5
Gloss, percent (face and back) (max.)
At 60°F:
4.0
At 85°F:
4.0
1/ Requirement applies if a film or coating is applied to the surface of the cloth.
2/ No specimen shall drop flaming, melted or molten pieces at any time during the test.
3.4 Resistance to accelerated weathering. The cloth shall not show a color change worse than
"fair", cracking, crazing, blooming, or tackiness.
3.5 Resistance to cold crack. The cloth shall not crack.
3.6. Color. The color of the cloth shall be as follows: Class 1 - Camouflage Green 483 face
side and Camouflage Green 483 back side; Class 2 - Desert Tan 459 face side and
Camouflage Green 483 back side; Class 3 - White face side and Camouflage Green 483 back
side.
3.7 Spectral reflectance. Both sides of the cloth shall conform to the spectral reflectance
requirements specified in Table II.
TABLE II. Spectral reflectance requirements
Reflectance (%)
Camouflage Green 483
Desert Tan 459
White
Wavelengths
Min
Max
Min
Max
Min
Max
Nanometers
600
5
12
--
--
60
87
620
5
12
--
--
60
87
640
5
12
--
--
60
87
660
5
13
--
--
60
87
680
6
15
--
--
60
87
700
9
21
25
58
61
87
720
15
30
25
59
64
87
740
24
42
25
61
67
87
760
32
50
26
62
70
87
780
38
56
27
63
71
87
800
41
60
28
64
71
87
820
43
63
30
66
71
87
840
45
65
33
68
71
87
860
46
66
36
69
71
87
3.8 Toxicity. The cloth shall not be toxic to the skin, eyes or epidermis when used as
intended (see 4.4.11).
3.9 Fiber identification. Each roll shall be labeled and ticketed for fiber content in accordance
with the Rules and Regulations Under the Textile Fiber Products Identification Act.
4
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