A-A-696B
3.4 Odor. Towels shall have no disagreeable odor when dry or wet. To test for odor when wet, soak a single towel in distilled water at room temperature for 2 minutes. Remove the towel from water and smell the towel at a distance of 304-610 mm (12-24 inches). Any disagreeable odor shall be cause for rejection.
TABLE I
Physical Requirements
|
Characteristics |
Requirement |
TAPPI Test Method |
|
Basis weight (24x36-500) Gramage, g/m2 (pounds) |
40.7-48.8 (25-30) |
T 410 |
|
Water absorption 0.1 ml. seconds (max) |
100 |
T 432 |
|
Tensile strength 1/ N/100 mm (oz/in), avg. of both directions (min) Dry Wet |
29.4 (27) 8.7 (8) |
T 404 2/ T 456 |
1/ before testing according to T 456, samples of towels shall be placed in a 105oC oven for 10-12 minutes and then conditioned according to T 402.
2/ T 494 may be used in lieu of T 404.
TABLE II
Sizes and areas
|
Type |
Area (min.) cm2 (sq.in.) |
Smaller dimension cm (inches) |
Fold depth cm (inches) |
|
I |
638.7 (99) |
23.5 + 1.3 (9-1/4 + 1/2) |
14.0 + 1.3 (5-1/2 + 1/2) |
|
II, Size 1 |
548.3 (85) |
23.5 + 1.3 (9-1/4 + 1/2) |
8.0 + 0.3 (3-1/8 + 1/8) |
|
II, Size 2 |
838.5 (130) |
23.5 + 1.3 (9-1/4 + 1/2) |
6.7 + 0.3 (2-5/8 + 1/8) |
|
III |
838.5 (130) |
25. 7 + 1.3 (10-1/8 + 1/2) |
10.2 + 1.3 (4 + 1/2) |
3.5 Surface finish and formation. Towels shall have a uniform formation and shall have a finish produced by creping or embossing.
3.6 Bleaching. To obtain an acceptable brightness, a chemical bleaching process may be used. Unless otherwise specified in the ordering data (see Section 7), the bleaching process shall not include the use of chlorine, chlorine dioxide, or hypochlorite. Certification of compliance shall be made available upon request by the Government.
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