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|  MIL-P-46183
4.2.1 Preproduction tests. Unless otherwise specified (see 6.2), prepro-
duction tests shall consist of tests for the following properties:
a.
Flexural modulus
b.
Heat deflection temperature
c.
Water absorption
d
Impact strength
e.
Oxygen index
f.
Specific optical density
g.
Volume resistivity
h.
Dielectric strength
The supplier shall furnish to the procuring activity (in lieu of continuous
lot-to-lot testing) a certificate of compliance, which certifies that the
requirements for the properties listed in (a) through (h) above have been met
(see 3.2 through 3.5).
4.2.2. Quality conformance tests. Unless otherwise specified (see 6.2),
quality conformance tests shall consist of tests for the following properties:
a.
Melting point
b.
Specific gravity
c.
Tensile strength
d.
Elongation at break
e.
Fiber content
4.2.2.1 Lot size. Lot size shall consist of all the molding or extrusion
material manufactured at one time, from one batch, forming part of one contract
or order, and submitted for acceptance at the same time and place.
4.2.2.2 Sampling. Unless otherwise specified (see 6.2), a sufficient quantity
of material from one unit representative of each lot (4.2.2.1) shall be selected
at random for quality conformance testing. Each container of material shall be
considered as a unit of product. Failure of sample to meet the quality
conformance requirements shall be cause for lot rejection.
4.3 Test methods. The properties of the PEEK thermoplastic materials specified
in 3.2 through 3.5 shall be determined in accordance with the applicable test
method in table V.
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