A-A-52106
Other shuttleless looms the width measurement shall be made between the last warp yarn on each side excluding the protruding fringe(s). The color of the cloth shall be bleached white and the degree of whiteness imparted by the bleaching shall not be supplemented by the use of optical brightener. The color of the finished cloth shall match the standard sample when viewed under unfiltered tungsten lamps that approximate artificial daylight and that have a correlated color temperature of 7500 ± 200K, with illumination of 100 ± 20 foot candles, and shall be a good match to the standard sample under incandescent lamplight at 2300 ± 200K.
TABLE I. Cloth requirements.
|
Characteristic |
Class 1 |
Class 2 |
Class 3 |
Test method 1/ |
|
Material content, percent: |
|
|||
|
Polyester |
47 to 100 |
47 to 100 |
100 |
2535 |
|
Cotton |
0 to 53 |
0 to 53 |
0 |
2535 |
|
Rayon |
0 to 53 |
0 to 53 |
0 |
2535 |
|
|
||||
|
Colorfastness to: |
|
|||
|
Perspiration |
Good |
Good |
Good |
|
|
Sublimation |
Good |
Good |
Good |
5642 2/ |
|
Wet dryccleaning |
Good |
Good |
Good |
5622 |
|
Crocking (min) |
3.5 3/ |
3.5 3/ |
3.5 3/ |
5651 |
|
(black or dark blue colors) |
1.0 3/ |
1.0 3/ |
1.0 3/ |
5651 |
|
|
||||
|
Labile sulfur content |
4/ |
4/ |
- |
2020 |
|
|
||||
|
Weight, oz./sq.yd. (min) |
4.3 5/ |
2.9 |
2.2 |
5041 |
|
|
||||
|
Yarns per inch (min): |
|
|||
|
Warp |
73 5/ |
73 |
120 |
5050 |
|
Filling |
46 5/ |
46 |
66 |
5050 |
|
|
||||
|
Breaking strength, lbs. (min): |
|
|||
|
Warp |
72 |
58 |
100 |
5100 |
|
Filling |
55 |
44 |
75 |
5100 |
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