MIL-DTL-44050B
OTHER PUBLICATIONS
Repeat Insult Patch Test Modified Draize Procedure
Principle and Methods of Toxicology, (fourth edition), A Wallace Hayes (editor), pp
1057-1060, 2001.
(Copies are available online at https://www.taylorandfrancis.co./uk or from Taylor and Francis,
325 Chestnut Street, Suite 8000, Philadelphia PA 19106.)
US ENVIRONMENTAL PROTECTION AGENCY NATIONAL LIBRARY NETWORK
(Laws and Regulations may be found on-line at https://www.epa.gov/libraries/index.html)
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 First article. When specified in the contract or purchase order (see 6.2), a sample shall be
subjected to first article inspection (see 6. 3) in accordance with 4.3.
3.2 Material.
3.2.1 Fiber. All types of cloth shall be made from virgin para-aramid fiber (see 6.3).
3.2.2 Yarn. Minimum yarn tenacities and elongations to break required below are on the as-
spun yarn.
3.2.2.1 Type I and IA. The warp and filling yarns shall be continuous filament, 1000 denier
(nominal) and shall have a minimum average yarn breaking tenacity of 20.0 grams per denier.
No individual yarn tenacity value shall be less than 19 grams per denier. The warp yarns shall
have a minimum nominal twist of 1.5 turns per inch.
3.2.2.2 Type II. The warp and filling yarns shall be continuous filament 1500 denier (nominal)
and shall have a minimum average yarn breaking tenacity of 20.0 grams per denier. No
individual yarn tenacity value shall be less than 19 grams per denier. The warp yarns shall have
a minimum nominal twist of 1.5 turns per inch.
3.2.2.3 Type III. The warp and filling yarns shall be continuous filament, 850 denier (nominal)
and shall have a minimum average yarn breaking tenacity of 24.0 grams per denier and a
minimum average elongation to break of 3.6 percent. No individual yarn tenacity value of the
yarn shall be less than 22.5 grams per denier. The yarns shall be untwisted.
3.2.2.4 Type IV. The warp and filling yarns shall be continuous filament 3000 denier (nominal)
and shall have a minimum average yarn breaking tenacity of 20.0 grams per denier. No
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