TT-P-645C
3.4.6 Application properties.
3.4.6.1 Brushing properties. The product, when tested as specified in table VII, shall be capable of being brushed out and laid off without excess drag on the brush. When dry, the brush-coated surface shall be free from sags, runs, wrinkles, excess brush marks, or other film defects. The film shall exhibit good adhesion and a smooth, uniform appearance.
3.4.6.2 Spraying properties. The paint, when tested as specified in table VII, shall show no running, sagging, streaking, dusting, mottling, color separation, or other film defects. The film shall exhibit good adhesion and a smooth, uniform appearance.
3.4.7 Cross-cut adhesion test. When tested as specified in 4.6.9.1 and 4.6.9.2, a 0.025-millimeter (nominal) [0.001- inch (nominal)] dry film of paint shall achieve a minimum classification of 4B.
3.4.8 Water resistance. When tested as specified in 4.6.8, a film of paint shall show no wrinkling or blistering immediately after removal of the panel from water. The paint shall be only slightly affected with regard to adhesion when observed 2 hours after removal from the water. After 24 hours air drying, the portion of the panel which was immersed shall be almost indistinguishable, with regard to adhesion and general appearance from the portion of the panel that was not immersed.
3.4.9 Compatibility.
3.4.9.1 Compatibility with topcoats. When tested as specified in 4.6.9.1, the paint shall show no signs of incompatibility such as blistering, wrinkling, or peeling when topcoated with coatings manufactured in accordance with MIL-PRF-24635, MIL-DTL-24607, and MIL-PRF-24763. The coating shall be examined for incompatibility immediately after topcoat application and after 48 hours.
3.4.9.2 Compatibility with primers and undercoats. When tested as specified in 4.6.9.2, the paint shall show no signs of incompatibility such as blistering, wrinkling, or peeling when applied over fully cured or dried films of coatings manufactured in accordance with this specification, and qualified MIL-PRF-23236 system or MIL-DTL-24441, Type III and Type IV Formula 150 primer. The coating shall be examined for incompatibility immediately after topcoat application and after 48 hours.
3.4.10 Surface appearance. Films of the paint, prepared as specified in 4.6.11, shall have a smooth and uniform appearance and shall show no evidence of wrinkling, seeding, or other nonuniformity.
3.5 Directions for use. As specified (see 6.2), the manufacturer shall provide directions for the mixing and application of the paint. The directions shall comply with 29 CFR 1910, 1915, 1917, 1918, 1926, and 1928.
3.6 Label. The manufacturer shall prepare label instructions in accordance with 29 CFR 1910.1000. Each container shall be affixed with a hazardous chemical warning label in accordance with 29 CFR 1910.1200. To comply with 40
CFR 63, Subpart II, the following two statements must appear on each paint can label:
a. A certification that the paint in the container satisfies the NESHAP requirements for shipbuilding and ship repair.
b. A statement of the ratio of volatile content to solids expressed as grams of volatile organic hazardous air pollutants (VOHAP) per liter of solids.
3.7 Material safety data sheet (MSDS). The contracting activity shall be provided an MSDS at the same time of contract award. The MSDS shall be provided in accordance with the requirements of FED-STD-313. The MSDS shall be included with each shipment of the material covered by this specification (see 6.6).
3.8 Ozone-depleting chemicals. The materials used in the paint shall not contain Class I or Class II ozone-depleting chemicals as defined in 40 CFR 82.
3.9 Recovered materials. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR).
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