A-A-55278A
(hook and loop closure). The leg bottoms, sleeves, and waistband shall have hook and loop
adjustment straps. All hook and loop tape fasteners and retro-reflective tape shall be set
according to marks on the pattern. The cargo pockets shall have vertical bartacks at each end of
pocket openings.
2.2 Materials.
2.2.1 Outershell. The basic material shall be a 2 up 1 down right hand twill nylon cloth made
from first quality, continuous filament, 210 denier, bright luster nylon yarn with a minimum of
30 filaments per yarn and shall conform to the physical requirements of Table I when tested as
specified. The finished vulcanized cloth shall be coated on one side with approximately 4.0
ounces per square yard (135.6 g/m2) of chloroprene rubber suitably compounded; plasticized;
and pigmented in an international orange shade. No elastomer other than chloroprene shall be
used. The finished coated cloth shall conform to the physical requirements of Table II when
tested as specified.
Table I - Uncoated Cloth Physical Requirements
Characteristics
Minimum
Maximum Test method
Weave
2 up 1 down
Visual 1/
right hand twill
Yarn
Denier
210
-
2/
Filament
30
-
2/
Luster
bright
-
2/
Weight, oz./yd2
3.4
3.6
ASTM D3776
Option A
Yarns per Inch
ASTM D3775
-
56
Warp
-
56
Filling
Breaking Strength, lbs.
ASTM-D-5034
-
225
Warp
210
Filling
Flex stiffness, inch-lbs x
10 4
ASTM-D-1388 opt. A
2.5
-
Warp
1.8
-
Filling
Nonfibrous Material
-
1.0%
ASTM D629 (section
9)
Heat Setting Test
No appreciable
Visual 3/
Distortion or puckering
change
Colorfastness to:
AATCC 61 test 1A 4/
"Good"
Laundering
AATCC 132
"Good"
Dry Cleaning
AATCC 8
"Good"
Light
2
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