A-A-55243A
3.1 Physical requirements. The finished cloth shall conform to the requirements listed in
Table I.
TABLE I. Physical requirements
Requirement
Requirement
Characteristic
Type I
Type II
Test Method
(Nylon)
(Polyester)
Nylon
Fiber Identification
Fiber
ASTM D 276
Polyester
Identification
ASTM D 276
1-1/16 + 1/32
Visual
Width (inches)
1 + 1/32
Thickness (inches)
0.015 to 0.025
0.006 to 0.012
ASTM D-1777
ASTM D-3776
Weight, (oz./yd.),(max.)
0.30
0.20
Weave
Plain
Plain
Visual
Warp ends (face & back), min.
200
125
33, (66 1/)
80, (160 1/)
ASTM D-3775
Picks per inch, (min.)
Colorfastness to:
Light (after 40 hrs or 170
3-4
3-4
AATCC 16 option 1, 2/
kilojoules)
3-4
3-4
Perspiration
AATCC 15 2/, 3/
3.5
3.5
Crocking
AATCC 8 4/
Laundering (after 3 cycles)
3-4
3-4
AATCC 61 3A, 2/, 3/, 5/
5.0
5.0
AATCC 96 VIc
Shrinkage(min) (lengthwise)
1/
Two picks per shed for shuttleless loom tape.
AATCC Evaluation Procedure 1 Gray Scale for Color Change
2/
3/
AATCC Evaluation Procedure 2 Gray Scale for Staining
4/
AATCC Evaluation Procedure 8 AATCC 9-Step Chromatic Transference Scale
5/
The specimens must be dried after each of the 3 laundering cycles. On the color transfer
cloth, the stain on the nylon, cotton, polyester, and wool fibers shall be evaluated.
3.2 Material.
3.2.1 Nylon yarn (Type I). The yarn shall not be subjected to any type of bleaching process.
The yarn shall be a bright, high tenacity, light and heat resistant polyamide.
3.2.2 Polyester yarn (type II). The yarn for the tape shall be semi-dull or bright, regular or high
tenacity fiber prepared from polyethylene glycol terephthalate.
3.3 Length and put-up. For government procurements only, unless otherwise specified (see 7.3)
the tape for Type I shall be furnished in rolls of 72 yards + 1 yard. The tape for Type II shall be
furnished in rolls of 200 yards + 1 yard. No roll shall contain more than two pieces, and no piece
shall be less than 5 yards. Ends of pieces may be butted and fastened with adhesive tape.
Overlapping pieces and sewing is prohibited.
2
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