MIL-PRF-43906D
TECHNICAL MANUAL OF THE AMERICAN ASSOCIATION OF
TEXTILE CHEMISTS AND COLORISTS (AATCC)
(Applications for copies of referenced documents should be addressed to the American
Association of Textile Chemists and Colorists, P.O. Box 12215, Research Triangle Park, NC
27709-2215.)
TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY (TAPPI)
(Applications for copies of referenced documents should be addressed to TAPPI Press,
Technology Park/Atlanta, P.O. Box 105113, Atlanta, GA 30348-5113.)
2.4 Order of precedence. In the event of a conflict between the text of this document and the
references cited herein, the text of this document takes precedence. Nothing in this document,
however, supersedes applicable laws and regulations unless a specific exemption has been
obtained.
3. REQUIREMENTS
3.1 First article. When specified (see 6.2), a sample shall be subjected to first article
inspection (see 6.3), in accordance with 4.2.
3.2 Standard sample. The waterproof cloth shall match the standard sample for shade and
appearance and shall be equal to or better than the sample for colorfastness (see 6.4).
3.3 Performance requirements. The cloth shall conform to the requirements specified in
Table I and 3.4 through 3.9.
TABLE I. Requirements
Characteristic
Requirements
Weight Oz/yd2 (max)
7.2
Breaking Strength, lbs./inch width (min):
Warp
120
Filling
85
Tearing Strength, grams (min):
Warp
1850
Filling
1650
Hydrostatic Resistance psi (min):
Initial
200
After accelerated weathering
150
After abrasion
150
After strength of coating
150
After high humidity
150
3
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