A-A-52074
2.2 Physical requirements. The finished cloth shall conform to the requirement listed in table I.
TABLE I. Physical requirements
|
Characteristics |
Type I |
Type II |
Test Method |
|
Yarn identification |
Rayon and Cotton |
Acetate and Rayon |
2/ |
|
Colorlfastness to: |
|
|
|
|
Gas fading |
Good |
Good |
3/ |
|
Perspiration |
Good |
Good |
5680 |
|
Wet drycleaning |
Good |
Good |
5622 |
|
Dry crocking (min) |
3.5 4/ |
3.5 4/ |
5651 |
|
Wet crocking (min) |
2.5 4/ |
2.5 4/ |
5651 |
|
(Black or dark blue colors) |
1.5 4/ |
1.5 4/ |
5651 |
|
Weight, oz./sq. yd. (min) |
8.2 |
6.5 |
5041 |
|
Yarns per inch (min): |
|
|
|
|
Warp |
190 |
194 |
5050 |
|
Filling |
48 |
46 |
5050 |
|
Breaking strength, lbs. (min): |
|
|
|
|
Warp |
140 |
120 |
5100 |
|
Filling |
80 |
75 |
5100 |
|
Thickness, in (min) |
0.020 |
0.015 |
5030 |
|
Shrinkage, percent (max): |
|
|
|
|
Warp |
4.0 |
4.0 |
5580 |
|
Filling |
2.0 |
2.0 |
5580 |
1/ The test methods indicated, from FED-STD-191 Textile Test Methods, have been found acceptable to determine if the cloth meets the stated requirements. If the Government requires proof that the cloth meets the stated requirements, the test methods indicated shall be used.
2/ A certificate of compliance shall be submitted and will be acceptable for the stated requirements.
3/ Refers to AATC Method Number 164 “Colorfastness to Oxides of Nitrogen in the Atmosphere Under High Humidities”.
4/ Refers to AATC Chromatic Transference Scale ratings.
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