TT-P-1757B
method or paragraph, allow the primer coating to dry in accordance with the manufacturer's instructions prior to application of any topcoat.
4.5.2 Topcoat application. When topcoating is required for testing, the primer coating shall be air dried for 30 minutes and then two coats of lacquer conforming to TT-L-32, type II,
FED-STD-595 color number 17038 (gloss black), shall be applied, 30 minutes apart. Each coat of lacquer shall be applied to a dry film thickness of 0.8 to 1.0 mil (20 to 25 m). After the second coat of lacquer is applied, air dry for 72 hours.
4.6 Test methods. The tests shall be conducted in accordance with table I and paragraphs 4.6.1 through 4.6.10.3. Unless otherwise specified in the test method or paragraph, all tests shall be conducted under laboratory conditions, as specified in ASTM-D3924.
Table I. Test methods.
Characteristic |
Requirement paragraph |
Test method |
||
FED-STD-141 Method Number |
ASTM Method |
Test Paragraph |
||
Toxicity |
3.1 |
--- |
--- |
--- |
Lead content |
3.2 |
--- |
ASTM-D3335 |
--- |
Solvent content Type I Type II |
--- 3.2.1.1 3.2.1.2 |
--- --- --- |
--- --- ASTM-D3960 |
--- 4.6.1 --- |
Total solids |
3.2.3 |
--- |
ASTM-D2369 |
--- |
Pigment content Class C Class N |
3.2.3.1 3.2.3.1.1 3.2.3.1.2 |
--- --- --- |
ASTM-D2698 ASTM-D444 ASTM-D3718 |
--- --- --- |
Nonvolatile vehicle (resin) content Rosin content Phthalic anhydride |
3.2.4 3.2.4 3.2.4 |
--- --- --- |
--- ASTM-D1542 ASTM-D563 |
--- --- --- |
Fineness of grind |
3.3.1 |
--- |
ASTM-D1210 |
--- |
Water content |
3.3.2 |
--- |
ASTM-D1364 |
--- |
Viscosity |
3.3.3 |
--- |
ASTM-D1200 |
--- |
Suspension properties |
3.3.4 |
--- |
--- |
4.6.2 |
Condition in container |
3.3.5 |
3011, 3021 |
--- |
--- |
Coarse particles and skins |
3.3.6 |
4092 |
--- |
--- |
Working properties |
3.4.1, 3.4.2 |
--- |
--- |
--- |
Drying time |
3.4.3 |
4061 |
--- |
--- |
Odor |
3.4.4 |
--- |
ASTM-D1296 |
--- |
Table I. Test methods, continued.
Surface appearance |
3.4.5 |
--- |
--- |
4.6.3 |
Color |
3.5.1 |
--- |
ASTM-D1729 |
--- |
11
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