MIL-PRF-14105E
lead ion test strip into the supernatant from each tube. Shake off the excess liquid, and, after
approximately one minute, compare the color change in the reaction zone of the strips to the
color scale (concentration levels) provided by the manufacturer. If a color change is apparent
from the "blank" strip rerun the test using fresh, lead-free reagents. Confirmation of the exact
lead concentration in the coating's solids shall be quantified using ASTM D3335.
Nonconformance to the table II requirements shall constitute failure of this test.
4.12 Solvent analysis.
4.12.1 Volatile content. The volatile content of the coating (see 1.2) determined by EPA Method
311 and the VOC analysis (see 3.4.3) determined in accordance with ASTM D3960 shall comply
with table I. Nonconformance to the VOC limit shall constitute failure of this test.
4.12.2 VOHAP content. Hazardous solvent content (see 3.4.4) of each individual coating shall be
determined in accordance with ASTM D3271 or EPA Method 311, as applicable. Check for
compliance with table I. Nonconformance shall constitute failure of this test.
4.13 Condition in container. Upon opening a full previously unopened container the condition of
the contents shall be examined for compliance with 3.6.1. Reseal, then agitate the container for
three (3) minutes on a paint shaker and reexamine for compliance with 3.6.1. On reexamination
of the contents, the disclosure of any gel bodies or undispersed pigment indicates unsatisfactory
settling properties.
4.14 Storage stability.
4.14.1 Accelerated storage stability. Fill an epoxy lined pint container with the coating and
determine the viscosity in accordance with ASTM D562. Tightly seal the container and place
sample in a preheated oven for seven (7) days at 140 ± 1.8 °F (60 ± 1 °C). Allow to cool to room
temperature and examine the contents. Check for compliance with 3.6.2.1.
4.14.2 Full container storage stability. Allow two (2) quarts of liquid coating to stand
undisturbed for six (6) and twelve (12) months respectively in accordance with ASTM D1849.
Examine the contents for skinning. Reseal and agitate the can for five (5) minutes on a paint
shaker. Reexamine and evaluate for pigment settling. Determine viscosity and other applicable
tests for compliance with 3.6.2.2.
4.15 Brushing and spraying properties. 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 exceed the 3.5 lbs/gal (420 g/l) and the 2.8 lbs/gal (340 g/l) VOC
limitations for type I and type II, as specified in 1.2. The paint when applied by brush or spray
shall not run, sag, or have other defects.
4.16 Dry opacity (contrast ratio). Using a sprayed sample from the color determination after air
drying for twenty four (24) hours (see 3.2), determine the reflectance using the daylight
reflectance factor of ASTM D2805 over the black and white portion of the card. Record the
values as RB/RW and check for compliance with table I.
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