MIL-DTL-14072F
TABLE I. Basic paint finishes (P) Continued.
1/ Alternate primers where lead or chromate pigments are prohibited are MIL-P-53022,
MIL-P-53030 or MIL-PRF-85582. CARC primer MIL-P-53084 (lead and chromate
free) is an option for use on ferrous alloys or aluminum (see Table I). It is applied by
electrocoating (see paragraph 3.9.5). For low infrared reflectance (IR) use MIL-PRF-
23377, Type II. Alternate primer for ferrous metals prior to spot welding is SSPC-
PAINT 30.
2/ When Type I (Chromic acid) or Type II (Sulfuric acid) anodic coating is used, coat
per MIL-DTL-5541 applied prior to epoxy primer to improve adhesion of epoxy
primer.
3/ Colored chromates as they normally occur in processing operations are desired. The
use of clear or bleached chromates is prohibited.
4/ Apply two coats of primer.
5/ ASTM D 1732 (heavy) coatings should not be applied to magnesium parts subject to
flexing. On such part, use light coatings.
6/ Pretreatment coating per DOD-P-15328 for use on magnesium alloys should have the
phosphoric acid content reduced by 50 percent of that specified in DOD-P-15328.
(This dilution is required to prevent hydrogen evolution at magnesium surfaces).
7/ To ensure proper adhesion, only epoxy primers must be used prior to top coat
finishing with CARC paints.
8/ Preservative treatments for wood. Preservative treatments are often required for both
painted and unpainted material and must be used when specified. A non-
pentachlorophenol preservative should be used for this purpose. Caution must be
exercised in the use of preservative materials as some water based preservatives
might cause objectionable swelling and/or a raised-grain in a high quality end use.
When a preservative treatment is specified, the wood surface shall be dry and free
from grease and other foreign matter before it is treated. Wood that is to be treated
shall not have a moisture content exceeding 20 percent of its post oven drying weight.
Where possible, wood parts shall be cut to final dimensions, planed or sanded
smooth, and holes, rabbets, and the like, shall be made before treatments. In the event
that it becomes necessary to make holes, rabbets, sawcuts, or the like, after treatment,
preservative shall be applied liberally to surfaces exposed by these operations.
9/ Select a suitable primer compatible with the final paint film to be applied.
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