MIL-DTL-81736B(AS)
TABLE III. Test and test methods Continued.
Sampling
Plan
Test
Test Method
C
Filament count, as woven
Visual
D
Classification of Defects, as woven
Yard-by-yard
4.6.4.1
Overall
4.6.4.2
E
Tape Tensile Strength
4.3.5
E
Sewn Loop Tensile Strength
4.3.6
Nylon 6,6 yarn
------
Elongation @ 10 lbs, %
ASTM D885
------
Tenacity, G/Denier
ASTM D885
------
Finish on yarn, %
ASTM D2257
------
Shrinkage, %
ASTM D4974
------
Denier, Denier
ASTM D885
------
Yarn breaking strength
ASTM D2256, Option A, Single
Unplied Yarns, Condition 1
Ambient Air 5/
1/ Five samples each of the ground, binder, stuffer, and filler yarns from woven tape shall be
tested.
2/ Applicable only to manufacturer's colored identification yarns.
3/ See 6.2 and 6.5.
4/ Thickness is the average of five readings. No thickness less than 0.330 inch.
5/ Yarn for this test shall be selected in accordance with 4.3.3, sampling plan C, of this
specification.
4.5.2 Breaking strength. The breaking strength test shall be conducted in accordance with
4.5.2.2. The type and capacity of the tensile testing machine shall be applicable to the type of
tape undergoing tests. The machine shall be adjusted so that no-load separation of the grips or
pulling jaws shall be at the rate of travel specified herein. All breaking tests shall be made on
full width sections of tape. Two satisfactory sample tests of each three samples tested shall meet
the tape strength requirement of the specimen. Jaw breaks are a failure and shall not be a valid
test.
4.5.2.1 Test grips. The test grips for holding the specimen shall be so designed that tape
failure below 150,000 pounds shall not occur within the grip. The no-load rate of jaw separation
shall be 4 to 8 inches per minute.
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