MIL-PRF-43473G
TABLE I. Requirements
Characteristic
Requirements
Hydrostatic Resistance psi (min):
Initial
60
After accelerated weathering
25 1/
After abrasion
35
After strength of coating
35
After high humidity
40 1/
Colorfastness (min)
To Accelerated Weathering
Type I
No appreciable change 2/
Types III & IV
5/
To high humidity
Type I
No appreciable change 2/
Types III & IV
5/
Stiffness, mm: (max):
At standard conditions
70
At 0°F
100
Adhesion of coating, lbs/2 inch width (min)
7.0 6/
Blocking, scale rating (max)
No. 1
Water wicking, inches (max)
1/8
Resistance to Leakage (min.)
No leakage 3/
Water absorption, % (max)
7.5
Resistance to insect repellent (min)
4/
1/ The cloth shall not become stiff and brittle nor soft and tacky and there shall be no
evidence of cracking or crazing under visual examination.
2/ "Appreciable change in color" means a change that is immediately noticeable on
comparison of the test specimen with the original, unexposed sample. If closer inspection
or a change of angle of light is required to make apparent a slight change of color, the
change is not considered appreciable.
3/ Leakage is defined as the appearance of water anywhere within the 4 1/2 inch diameter test
area.
4/ The cloth shall show no lifting, no tackiness, no solution, no pickoff, no adherence to itself
greater than scale rating (2) (slight blocking) (see 6.5.1).
5/ Equal to or better than the standard sample.
6/ Applicable only if a film or coating is used.
3.4 Color. (types defined in accordance with FED-STD-595).
3.4.1 Type I. The color of the cloth shall be Camouflage Green 483 matching color chip
34094 of FED-STD-595 (see 3.2 and 6.4).
3.4.2 Type III. The color of the cloth shall be Light Green 354, Dark Green 355, Dark
Brown 356 and Black 357 with each area matching the specific colors of the Woodland
Camouflage pattern on the standard sample (see 3.2 and 6.4).
3.4.3 Type IV. The color of the cloth shall match shades Light Tan 492, Light Brown 493
and Light Khaki 494. Each area shall match the specific colors of the pattern or the standard
sample (see 3.2 and 6.4).
5
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