MIL-PRF-14105E
3.6.2 Storage stability.
3.6.2.1 Accelerated storage stability. After testing as in 4.14.1, the coating shall meet all the
requirements of the specification and have a maximum viscosity of 95 KU. There shall be no
curdling or hard dry caking and any sedimentation shall easily mix back into a smooth
homogeneous state.
3.6.2.2 Full container storage stability. The liquid coating, stored in the full quart can shall show
no skinning, livering, curdling, hard dry caking nor tough gummy sediment when tested as
specified in 4.14.2. It shall remix readily to a smooth homogeneous state, shall have a maximum
viscosity of 95 KU, and shall meet all other requirements of this specification.
3.6.3 Brushing and spraying properties. When tested as specified in 4.15, the paint shall be
satisfactory for brushing, as received, and shall be satisfactory for spraying when reduced in
accordance with the supplier's recommendations, but not to increase HAP content or exceed
VOC limits where applicable. The paint when applied by brush or spray shall not run, sag, or
have other defects.
3.6.4 Suspension properties. When tested as specified in 4.18, the paint shall show no more than
slight settling, no caking, and shall redisperse to a homogeneous state.
TABLE I. Quantitative requirements.
Requirements
Characteristics
Minimum Maximum
Nonvolatile vehicle, percent by weight of
45.0
-
vehicle
Viscosity, Krebs-Stormer
Shearing rate 200 rpm:
Grams
125.0
225.0
Equivalent Krebs units
65.0
85.0
Specular gloss (60 degree)
-
18.0
Fineness of grind
4.0
-
Dry opacity, contrast ratio
0.95
-
VOC content, lbs/gal (g/l):
Type I
-
3.5 (420)
Type II
-
2.8 (340)
VOHAP content
Absent
Inorganic HAP compounds, other than
Absent
trivalent chromium
Pigment: Hexavalent chromium, cadmium,
Absent
cadmium compounds
Lead content, percent
-
0.05
5
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