MIL-DTL-53030D
3.7.8 Weather resistance. Films of the primer prepared and exposed as specified in 4.5.20 shall
show no rusting, cracking, checking, flaking, or loss of adhesion. Primer that has a topcoat coating
with Green 383, 34094 as specified in MIL-DTL-64159 type II shall show no more than light
chalking (see ASTM D4214). Upon removal of the coating system, the surface of the metal shall
show no more than a trace of rusting, pitting, or corrosion (ASTM D610, table I, rust grade 9).
3.7.9 Super tropical bleach (STB) resistance. When tested as specified in 4.5.21, a film of the
coating shall show no blistering, wrinkling, or film softening when examined immediately after
washing with water. Film softening shall not exceed a 2 pencil hardness units difference (see
ASTM D3363) from an unexposed film with identical cure history prior to STB exposure. After
drying, there shall be a maximum Delta (Δ) E color change of 2.5 L*a*b* units when comparing
a portion of the untested panel to that of the tested area. The STB composition shall be in
accordance with MIL-DTL-12468.
3.8 User instruction marking and precaution sheet. All primary containers shall be legibly
labeled "Component A (Pigmented Base Component)" or "Component B (Curing Component)"
as applicable, with the manufacturer's mixing and thinning instructions, the VOC content (in
lbs/gal or g/l) and the following:
CAUTION: The Surgeon General requires airline respirators to be used unless air sampling
shows exposure to be below standards. Then, either chemical cartridge respirators or airline
respirators are required. Avoid contact with skin and eyes. Use with adequate ventilation. For
other safety recommendations, refer to the Material Safety Data Sheet (MSDS). Keep containers
closed.
INSTRUCTIONS FOR USE:
a. The surface to be primed shall be clean and free of oil and dust.
b. Apply over pretreated metal.
c. Component B shall always be added to component A under vigorous agitation
following the manufacturer's recommendations. Deionized water shall also be added
under vigorous agitation following the manufacturer's recommendations to achieve the
correct viscosity for application. A squirrel cage mixer shall be used to mix the
components together and while adding the water.
d. Allow for a 20-30 minute induction time before use.
e. Equipment shall be adequately grounded. Clean spray equipment immediately after
use.
f. The primer from one vendor, or component thereof, shall never be mixed with that of
another vendor.
MIX ONLY THAT AMOUNT TO BE USED WITHIN 4-6 HOURS.
3.9 Toxicity clearance. All new chemicals and materials being added to the Army supply
system shall have a toxicity clearance. A toxicity clearance involves a toxicological evaluation
of materials prior to introduction into the Army supply system. The Army program manager
shall be responsible for identifying technically feasible materials and requesting a toxicity
clearance for use of that material within their program (see 6.5).
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