MIL-PRF-83936C(USAF)
(b) Quality conformance inspection (see 4.3)
4.2 Qualification inspection. Qualification tests shall consist of all the tests specified in Table I.
TABLE I
PHYSICAL AND CHEMICAL REQUIREMENTS
TEST
PROPERTY
REQUIREMENT
METHOD
Flammability
Self-extinguishing within 3 seconds.
Para. 4.4.1 *
Viscosity
Maximum of 15 centipoises at the manufacturer's
Para. 4.4.2 *
recommended operating temperature.
Corrosion
Not to exceed limits per Para 4.4.3, Table II.
Para 4.4.3 *
Paint Removal Performance
Visibly attacks and lifts 95% of finishes of two
Para 4.4.4 *
out of three panels.
Hydrogen Embrittlement
Shall not produce tensile failure or show any
Para. 4.4.5
visible signs of hydrogen embrittlement.
Storage Stability (6 months) Meet all requirements of specification.
Para. 4.4.6
* Denotes requirements to be checked for quality conformance inspection per para 4.3.
4.2.1 Qualification procedures. Upon successful completion of all testing requirements as
specified herein, the contractor shall provide a certified qualification test report showing that the
material conforms to all requirements of this document. The report shall be forwarded to WR-
ALC/LKJE, 460 2ND ST, STE 221, ROBINS AFB, GA 31098-1640. Upon review and
acceptance of the test report, the government will add the product to the Qualified Products List.
4.3 Quality conformance inspection. Quality conformance inspection shall include all tests of this
specification as noted by asterisks in Table I and as specified herein.
4.4 Test Procedures.
4.4.1 Flammability. A 1 x 6 inch panel shall be prepared from 2024 aluminum alloy conforming
to ASTM B209. A hole shall be drilled near one end to facilitate hanging. The panel shall be
dipped into a container of the paint remover and immediately suspended on a ring stand. A
microburner flame, not exceeding 3/16 inch in length shall be passed back and forth along the
lower edge of the panel within a 2 second period. This operation shall be repeated three times at
3 second intervals. If the paint remover ignites, the burner flame shall be removed and
observation made to determine whether the paint remover continues to burn. Burning duration in
excess of 3 seconds after removal of the flame shall be cause for rejection.
4.4.2 Viscosity. Viscosity shall be a maximum of 15 centipoises. It shall be determined at
manufacturer's recommended operating temperature, using a Model LFV Brookfield Viscometer,
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