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| MIL-C-24757(SH)
AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)
D 578
Standard Specification for Glass Fiber Strands
(Application for copies should be addressed to the American Society for Testing and Materials,
1916 Race Street, Philadelphia, PA 19103.)
(Non-government standards and other publications are normally available from the organizations
that prepare or distribute the documents. These documents may also be available in or through
libraries or other informational services.)
2.3 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 6.4), in accordance with 4.3.
3.2 Material.
3.2.1 Fibers. Fiberglass fiber: The fiber shall be "C" filament type fiberglass (see 4.1.1 and
4.5).
3.2.2 Yarns. The warp and filling yams shall be singles (see 4.5).
3.2.3 Fiber content. The fiber content shall be as specified in 3.2.1 when tested in accordance
with 4.5 (see 4.1.1).
33 Weave. The weave shall be of a type which does not promote potential fiber breakdown
resulting in tensile strength loss after extended exposure to folded/creased storage. Plain and taffeta.
weaves are not recommended.
3.4 Color. The color of the finished cloth shall approximate the standard sample that has
been approved by the contracting officer. The finished cloth shall be gold in color (see 6.21).
3
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