MIL-PRF-46010H
4.5 Test Methods. Tests shall be performed in accordance with Table II and 4.5.1
through 4.5.4.
4.5.1 Film thickness and appearance. The bonded solid film lubricant specimens shall be
examined visually and microscopically at a magnification of 12X for uniformity in color,
smoothness and evidence of cracks, scratches, pinholes, blisters, bubbles, runs, sags, foreign
matter, grit, rough particles, and separation of ingredients.
TABLE II. Qualification inspection tests.
Test Method
Characteristic
Requirement
FED-STD-791
ASTM
Film Thickness1
Aluminum
D7091 or B244
3.3
Steel
D7091 or B499
Resistance to Fluids2,7,8
D2510
3.5
Procedure C
Thermal Stability3,7,8
D2511
3.6
Endurance Wear Life4,7,9
D2625
3.7
Procedure A
Load Carrying Capacity4,7,9
D2625
3.8
Procedure B
Aluminum Corrosion5,8
D2649
3.9
Salt Spray (Fog)5,9
B117
3.11
Sulfurous Acid/Salt Spray6,9
5331
3.10
Film Adhesion8
D2510
3.4
Procedure A
Solids Content (see 4.5.2)
3.12
Storage Stability (See 4.5.3)
3.13
Volatile Organic Compound
D3960
3.14
Content (see 4.5.4)
Notes: 1 Film thickness is determined after panels are air dried then baked for 120 ± 5
minutes at 150 ± 15°C for aluminum or for 60 ± 5 minutes at 204 ± 15°C for steel.
2 Test fluids shall be in accordance with Table I.
3 Any condensation shall be removed with clean, dry compressed air. The dried
panel shall then be subjected to the film adhesion test.
4 The surface of test pins and vee-blocks shall be pretreated with phosphate in
accordance with MIL-DTL-16232 type Z or M, Class 3 with a weight of 11-22 g/m2
after grit blasting (180-220 grit aluminum oxide, 50-60 RMS).
5 All lubricants film thicknesses must conform to 3.3 when prepared in accordance
with 4.5.2 before placing in salt fog cabinet in accordance with ASTM B117.
6 The panels shall be subjected to 4 cycles. Each cycle shall consist of 2 hours spray
time and 24 hours drying time before inspection.
7 When performing ASTM D2510, D2625, or FED-STD-791 test methods, use
9
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