MIL-DTL-81706B
5/ Requirement for class 1A, form VI, method D materials only.
6/ Conduct all qualification inspections on material exposed to the storage life test. Do
not repeat storage life test.
4.3 Conformance inspection. Conformance inspection shall consist of testing chemical
conversion materials from each lot (see 4.3.1) to perform all inspections specified in table III.
TABLE III. Conformance inspections.
Number Of
Rqmt
Test
Inspection
Class
Alloys To
Panel Identification
Numbers 3/
Panels To Be
Para.
Para.
Be Tested 1/
Tested 2/
Corrosion
1A
2024-T3
5
1A through 6A
3.5.1
4.5.1
Resistance
3
6061-T6
5
1C through 6C
Paint
1A
2024-T3
2
7A and 8A
3.5.2
4.5.2
Adhesion
3
6061-T6
2
12C and 13C
Coating
1A
2024-T3
3
9A through 11A
3.6
4.5.4
Weight
1A
7075-T6
3
12B through 14B
3.8
4.5.6
Vertical
Adherence of
Thixotropic
Forms (IV
and V)
1/ 2024-T3, 7075-T6, and 6061-T6 shall conform to SAE-AMS4037, SAE-AMS4045,
and SAE-AMS4027, respectively.
2/ Panel dimensions and preparations shall be in accordance with 4.4.
3/ Panels 6A and 6C shall be used as the corrosion resistance test control panels
(unexposed to salt spray).
4.3.1 Lot. Unless otherwise specified in the contract or purchase description (see 6.2), a lot
of the chemical film material shall consist of one production run, produced by one manufacturer
under the same processing conditions, without change in ingredients or ingredient lots and
offered for delivery at one time (see 6.5.3). If the material cannot be identified by lot, a lot shall
consist of not more than 1,500 gallons of liquid or 2,000 pounds of powder material offered for
delivery at one time.
4.4 Preparation of test panels.
4.4.1 Alloys, required number of panels, identification markings, and dimensions. The
alloys to be tested, the number of panels required for each test, and the identification marking for
each panel are specified in table II for qualification testing and in table III for conformance
inspection testing. Panel dimensions, after repair paint adhesion, shall be 5 x 3 x 0.032 inch
(12.7 x 7.6 x 0.08 mm). All other panels shall be 10 x 3 x 0.032 inch (24.4 x 7.6 x 0.08 mm).
9
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