MIL-PRF-23236D
3.16 Resistance to chemical solutions - simulated collection holding and transfer (CHT; sewage waste) tanks
(all types, Class 13 only, all grades). When tested as specified in 4.5.13, the coating shall have no pinhole rusting.
After testing the ASTM D4541, Type II tester, cohesion and adhesion values of the tested system to itself and the
substrate shall be at least 50 percent of the values for cohesion and adhesion of the untested original coating to itself
and the substrate before testing. There shall be no blistering rated in excess of ASTM D714, blister size number 4,
Few. There shall be no surface imperfections (including peeling) larger than 1.5 millimeters (0.0625 inch), and any
blistering shall be unbroken. Type VII coating system shall have no edge rusting.
3.17 Resistance to condensing water - simulated tank top test (all types, all classes, all grades). When tested as
specified in 4.5.14, the coating system shall have no pinhole rusting. The ASTM D4541, Type II tester, adhesion
values of the tested system to itself and the substrate shall be at least 50 percent of the values for adhesion of the
untested original coating before testing. There shall be no blistering rated in excess of ASTM D714, blister size
number 4, Few. There shall be no surface imperfections (including peeling) larger than 1.5 millimeters
(0.0625 inch), and any blistering shall be unbroken. Type VII coating system shall have no edge rusting.
3.18 Ultraviolet fluorescence (applicable to primers of Type VII, all classes, all grades). When tested in
accordance with 4.5.15, the primer shall fluoresce with sufficient brightness to visually ascertain coverage of test
panel.
3.19 Surface tolerant coating systems. When tested in accordance with 4.5.17, Class 15 coating systems shall
demonstrate adhesion values of at least 50 percent of the values obtained from testing when the same coating system
is applied to a dry, clean SSPC SP-15 surface condition.
3.20 Bilge coating systems. When tested in accordance with 4.5.18, Class 17 coating systems shall
demonstrate adhesion values of at least 50 percent of the value obtained when the same coating system is applied to
dry, clean test panels prepared to surface cleanliness standard SSPC SP-11.
3.21 Single coat coating system. When tested in accordance with 4.5.19, Class 18 coating systems shall
comply with all other class coating systems (see 3.2.1).
3.22 Label. Manufacturer shall prepare label instructions in accordance with 29 CFR 1910. Each container
shall be affixed with a hazardous chemical warning label in accordance with 29 CFR 1910.1200. To comply with
the USEPA NESHAP requirements for shipbuilding and ship repair, the following two statements shall appear on
each paint-can label:
a.
Certification that the paint in the container meets the NESHAP requirements for shipbuilding and ship
repair.
b.
Statement of the ratio of volatile content to solids expressed as grams of VOHAP per liter of solids.
3.23 Well deck overhead coating systems. When tested in accordance with 4.5.20, Class 19 coatings systems
shall exhibit heat resistance up to 260 C (500 F). There shall be no degradation or delamination of the coating
from the test panel. Adhesion of the coating system to the panel following the elevated heat test shall be at least
50 percent of the adhesion value obtained prior to the test.
3.24 Service test. When evaluated in accordance with 4.5.21 Class 7 and Class 19 coating systems shall
exhibit less than 1% coating failure and surface imperfections such as blistering , corrosion and delamination
following one year of service. Application in other Classes will be considered following successful service.
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