MIL-DTL-81736B(AS)
ASTM D3775
-
Standard Test Method for Fabric Count of Woven Fabric.
(DoD adopted)
ASTM D3776
-
Standard Test Methods for Mass Per Unit Area (Weight) of
Fabric. (DoD adopted)
ASTM D4974
-
Standard Test Method for Hot Air Thermal Shrinkage of
Yarn and Cord Using a Thermal Shrinkage Oven.
(Copies of these documents are available from www.astm.org or ASTM International, 100
Barr Harbor Drive, West Conshohocken, PA 19428-2959.)
2.4 Order of precedence. Unless otherwise noted herein or in the contract, 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 Materials.
3.1.1 Yarn material composition. The yarn used in the manufacture of the tape shall be
composed of non-recycled Nylon 6,6 fibers. The Nylon 6,6 fibers shall have a tenacity of 8.7
grams per denier minimum. The Nylon 6,6 fibers shall be polyamide prepared from a process
using hexamethylene diamine and adipic acid, or its derivatives, and shall have a minimum
melting point of 244 ºC (see 6.2h and 6.5). This requirement is not applicable to the
manufacturer's colored identification yarns.
3.1.1.1 Yarn fibers. The yarn fibers shall be free from sizing, loading, delustrants, or other
adulterants, and shall not be bleached or pre-dyed in any manner or by any process (see 6.2h and
6.5). This requirement is not applicable to the manufacturer's colored identification yarns.
3.1.1.2 Brightness. The yarn shall be described as "bright" or "super bright." The
brightness description of the polymer indicates that the polymer has not been "delustered." A
yarn fiber containing no more than 0.025 percent Titanium dioxide (TiO2) can be characterized
as bright or super bright (see 6.2h and 6.5). This requirement is not applicable to the
manufacturer's colored identification yarns.
3.1.1.3 Heat and light resistance. The Nylon 6,6 polymer formulation shall provide
protection from damage caused by exposure to heat and ultraviolet (sun) light (see 6.2h and 6.5).
This requirement is not applicable to the manufacturer's colored identification yarns.
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