MIL-DTL-53030D
TABLE IV. Mixed primer requirements.
Type II
Characteristics
Min
Max
Specular gloss, 60 degree
-
35
Drying time:
Set to touch, minutes
-
45
Dry hard, hours
-
2.0
Dry through, hours
-
24
Full cure, days
-
7
Pot life, hours
4.0
-
Lead metal, percent by weight of total solids
-
0.06
3.6.2.1 Component A. A full container of component A shall show no skinning, livering,
curdling, hard dry caking nor tough gummy sediment when tested as specified in 4.5.8.1. The
material shall mix readily to a smooth homogeneous state and meet all other requirements of this
specification.
3.6.2.2 Component B. A full container of component B shall be free from sediment and
suspended matter when examined by transmitted light as specified in 4.5.8.2. The material shall
be identical in appearance to the original sample. It shall show no livering, curdling, gelling or
skinning and shall meet all other requirements of this specification.
3.6.3 Accelerated storage stability. After being tested as specified in 4.5.9, the primer shall meet
all of the requirements of this specification. Each component shall be free of the defects listed in
3.6.2.1 and 3.6.2.2, and when prepared as specified in 4.5.11.1, the admixed primer shall be a
smooth homogeneous mixture free from grit, seeds, lumps, and skins.
3.6.4 Freeze-thaw stability. After being tested as specified in 4.5.10, the primer shall meet all of
the requirements of this specification. Each component shall be free of the defects listed in
3.6.2.1 and 3.6.2.2, and when prepared as specified in 4.5.11.1 the admixed primer shall be a
smooth homogeneous mixture free from grit, seeds, lumps, and skins.
3.6.5 Mixing properties.
3.6.5.1 Mixing. When tested as specified in 4.5.11.1, a smooth homogeneous mixture shall
result.
3.6.5.2 Dilution. When the admixed primer is reduced with water as specified in 4.5.11.2, there
shall be no evidence of incompatibility other than that of a transient nature during the first half of
water addition. The primer shall be free from grit, seeds, skins or lumps.
3.6.6 Spraying properties. When tested as specified in 4.5.12, the primer shall spray
satisfactorily in all respects and shall show no running, sagging, or streaking. The dried film
shall show no dusting, mottling, or color separation and shall present a smooth finish free from
seeds.
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