1、 Comments, suggestions, or questions on this document should be addressed to Commander, Naval Sea Systems Command, ATTN: SEA 05Q, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or emailed to CommandStandardsnavy.mil, with the subject line “Document Comment”. Since contact
2、information can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. AMSC N/A FSC 8010 METRIC MIL-DTL-24631A(SH) w/INT. AMENDMENT 1 9 August 2006 USED IN LIEU OF MIL-DTL-24631A(SH) 6 June 1997 DETAIL SPECIFICATION PAIN
3、T, CAMOUFLAGE FOR SUBMARINES, GENERAL SPECIFICATION FOR (METRIC) This specification is approved for use by the Naval Sea Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers requi
4、rements for two colors of camouflage paint and a flexible white marking paint. 1.2 Classification. Camouflage paints, which are based on two different resins (epoxy and polyurethane), are detailed on specification sheets of this specification and are classified in types as follows (see 6.2): Type I
5、- Epoxy paints: Navy Formula 184, Black, R01.8 Navy Formula 185, Dark Gray, R0 3.6 Navy Formula 186, White Type II - Polyester urethane paints: Navy Formula 187, Black, R01.8 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specif
6、ication. This section does not include documents cited in other sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requiremen
7、ts of documents cited in sections 3, 4, or 5 of this specification, whether or not they are listed. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24631A(SH) w/INT. AMENDMENT 1 2 2.2 Government documents. 2.2.1 Specifications, standards, and
8、 handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. SPECIFICATIONS DEPARTMENT OF DEFENSE MIL-P-24441 - Paint, Epoxy-P
9、olyamide, General Specification for. MIL-P-24441/20 - Paint, Epoxy-Polyamide, Green Primer, Formula 150, Type 111. MIL-P-24441/29 - Paint, Epoxy-Polyamide, Green, Primer, Formula 150, Type IV. MIL-DTL-24631/1 - Paint, Epoxy, Black Ro1.8, Navy Formula 184, Type I. (Metric) MIL-DTL-24631/2 - Paint, Ep
10、oxy, Dark Gray R, 3.6, Navy Formula 185, Type I. (Metric) MIL-DTL-24631/3 - Paint, Epoxy, White, Navy Formula 186, Type I. (Metric) MIL-DTL-24631/4 - Paint, Polyester Urethane, Black R01.8, Navy Formula 187, Type 11. (Metric) MIL-DTL-24631/7 - Paint, Polyester Urethane, Black, Navy Formula 187, Type
11、 11. (Metric) STANDARDS FEDERAL FED-STD-141 - Paint, Varnish, Lacquer and Related Materials; Methods of Inspection, Sampling and Testing. FED-STD-595 - Colors Used in Government Procurement. (Unless otherwise indicated, copies of the above specifications, standards, and handbooks are available from
12、the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings and publications. The following other Government documents, drawings, and publications form a part of this document to the extent specified herein. Unles
13、s otherwise specified, the issues are those cited in the solicitation. PUBLICATIONS UNITED STATES ENVIRONMENTAL PROTECTION AGENCY (USEPA) 40 Code of Federal Regulations (CFR) ch.1, part 60, appendix A, method 24 - Determination of Volatile Matter Content, Water Content, Density, Volume Solids and We
14、ight Solids of Surface Coatings. 40 CFR Part 261, Appendix II - Toxicity Characteristic Leaching Procedure (TCLP). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24631A(SH) w/INT. AMENDMENT 1 3 DEPARTMENT OF LABOR OCCUPATIONAL SAFETY AND HEA
15、LTH ADMINISTRATION (OSHA) 29 CFR Parts 1910, 1915, 1917, 1918, 1926 and 1928 Occupational Safety and Health Standards July 1, 1996. 29 CFR 1915 Ch. XVII, Appendix K to 1915.1001 Polarized Light Microscopy of Asbestos, Method ID-191. (The Code of Federal Regulations (CFR) are for sale on a subscripti
16、on basis by the Superintendent of Documents, U.S. Government Printing Office, Washington, DC 20402. When indicated, reprints of certain regulations may be obtained from the Federal agency responsible for issuance thereof.) 2.3 Non-Government publications. The following documents form a part of this
17、document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS (ACGIH) Threshold Limit Values (TLVs) for Chemical Substances and Physical Agents in the Work
18、Environment and Biological Exposure Indices. (Application for copies should be addressed to the American Conference of Governmental Hygienists, 6500 Glenway Avenue, Bldg D7, Cincinnati, Ohio 45211). AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) ASTM D 56 - Standard Test Method for Flash Point by
19、 Tag Closed Tester. ASTM D 344 - Standard Test Method for Relative Hiding Power of Paints by the Visual Examination of Brushouts. ASTM D 476 - Standard Specification for Titanium Dioxide Pigments. (DoD adopted) ASTM D 523 - Standard Test Method for Specular Gloss. (DoD adopted) ASTM D 562 - Standard
20、 Test Method for Consistency of Paints Using the Stormer Viscometer. (DoD adopted) ASTM D 605 - Standard Specification for Magnesium Silicate Pigment (Talc). ASTM D 822 - Standard Practice for Operating Light- and Water-Exposure Apparatus (Carbon-Arc Type) for Testing Paint, Varnish, Lacquer, and Re
21、lated Products. (DoD adopted) ASTM D 823 - Standard Test Methods for Producing Films of Uniform Thickness of Paint, Varnish, and Related Products on Test Panels. ASTM D 1210 - Standard Test Method for Fineness of Dispersion of Pigment-Vehicle Systems. (DoD adopted) ASTM D 1296 - Standard Test Method
22、 for Odor of Volatile Solvents and Diluents. ASTM D 1475 - Standard Test Method for Density of Paint, Varnish, Lacquer, and Related Products. (DoD adopted) ASTM D 1640 - Standard Test Method for Drying, Curing, or Film Formation of Organic Coatings at Room Temperature. (DoD adopted) ASTM D 1729 - St
23、andard Practice for Visual Evaluation of Color Differences of Opaque Materials. (DoD adopted) ASTM D 2000 - Classification System for Rubber Products in Automotive Applications. ASTM D 2244 - Standard Method for Calculation of Color Differences from Instrumentally Measured Color Coordinates. (DoD ad
24、opted) ASTM D 2369 - Standard Test Method for Volatile Content of Coatings. (DoD adopted) ASTM D 2698 - Standard Method for Determination of the Pigment Content of Solvent-Reducible Paints by High-Speed Centrifuging. (DoD adopted) ASTM D 2805 - Standard Test Method for Hiding Power of Paints by Refl
25、ectometry. ASTM D 3278 - Standard Test Method for Flash Point of Liquids by Setaflash Closed-Cup Apparatus. (DoD adopted) ASTM D 4400 - Standard Test Method for Sag Resistance of Paints Using a Multinotched Applicator. Provided by IHSNot for ResaleNo reproduction or networking permitted without lice
26、nse from IHS-,-,-MIL-DTL-24631A(SH) w/INT. AMENDMENT 1 4 ASTM D 4615 - Standard Specification for n-Butyl Acetate (All Grades). ASTM E 1252 - Standard Practice for General Techniques for Qualitative Infrared Analysis. ASTM G 53 - Standard Practice for Operating Light- and Water-Exposure Apparatus (F
27、luorescent UV-Condensation Type) for Exposure of Nonmetallic Materials. (DoD adopted) (Copies of these documents are available from ASTM International, 100 Barr Harbor Dr., PO Box C700, West Conshohocken, PA 19428-2959 or online at www.astm.org.) 2.4 Order of precedence. In the event of a conflict b
28、etween the text of this document and the references cited herein (except for related specification sheets), the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 Spe
29、cification sheets. The individual item requirements shall be as specified herein and in accordance with the applicable specification sheet (see 2.2.1). In the event of any conflict between the requirements of this specification and the specification sheet, the latter shall govern. 3.2 First article.
30、 When specified (see 6.2), a sample shall be subjected to first article inspection in accordance with 4.2. 3.3 Composition. The paint supplied shall consist of ingredients in the proportions shown in the appropriate specification sheets (see 6.2), except that minor variation of the ratio of titanium
31、 dioxide pigment to carbon black pigment, as applicable, is permitted to meet the color requirements, provided all other specification requirements are met (see 4.4.4). 3.4 Quantitative requirements. 3.4.1 Specification sheet requirements. When tested in accordance with table II and any applicable p
32、aragraphs of 4.5, the paint properties listed shall be in accordance with the quantitative requirements of this specification and the applicable specification sheet (see 6.2): (a) Pigment Content, percent (%) by weight (wt) (b) Volatile content, %wt (c) Nonvolatile vehicle, %wt (d) Consistency, Kreb
33、 units (e) Sag resistance, mils (f) Fineness of grind, Hegman units (g) Set-to-touch, hours (hr) (h) Dry hard, hr (i) Gloss 60, % (j) Contrast ratio (k) Coarse particles (l) Flash point, degrees Celsius (C) (degrees Fahrenheit F) (m) Mass per unit volume, grams/liter (g/L) (pounds/gallon lb/gal) (n)
34、 Color, % (wet reflectance RW, or FED-STD-595) (o) Color fastness (p) Pot life, hr 3.4.2 Volatile organic content (VOC). When tested in accordance with 4.5.4, the volatile organic content (VOC) of the paints shall be in accordance with the requirements of the individual specification sheets (see 6.2
35、). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24631A(SH) w/INT. AMENDMENT 1 5 3.4.3 Color fastness. When tested in accordance with 4.5.5, the after test RWof formulas 184, 185 and 187 paints shall be 85 to 115 percent (%) of the RWmeasur
36、ed before testing (delta RWof 15%). After testing, E of the dry color of formula 187 shall be not more than 4 Commission Internationale de lEclairage (CIE; International Commission on Illumination) LAB units (CIELAB). After testing, E of the dry colors of each of the formulas 184, 185 and 186 paints
37、 shall be not more than 3 CIELAB units. 3.5 Qualitative requirements. The paints shall be in accordance with the qualitative requirements of 3.5.1 through 3.5.7. 3.5.1 Brushing properties. When tested in accordance with 4.5.9, the paint shall not exhibit excessive drag during brushing or when being
38、laid off. When dry, the paint shall be free of: (a) obvious lap marks or brush marks, (b) gloss and color variations or mottling and (c) pigment streaking or separation. 3.5.2 Spraying properties. When tested in accordance with 4.5.10, the liquid paint shall not exhibit running, sagging or fogging.
39、When dry, the paint shall not exhibit dusting, floating, mottling, bubbling, wrinkling, streaming, pinholing, cratering, orange peel, blushing, blooming or silking. 3.5.3 Adhesion. When tested in accordance with 4.5.11, there shall be no loss of paint. 3.5.4 Water immersion. When tested in accordanc
40、e with 4.5.12, the paint shall not whiten, change color, crack or be easily furrowed off the rubber, flake, chip or powder. 3.5.5 Storage stability. 3.5.5.1 Partially-full containers - formulas 184, 185 and 186. When tested in accordance with 4.5.13, the individual components shall have no skinning,
41、 livering, curdling, hard settling (caking) or gummy sediment. Each individual component shall be capable of being readily mixed to a smooth uniform state within 5 minutes with no surface float (separated pigments or other ingredients on the surface of the liquid) when mixed with a paddle or mechani
42、cal mixer and shall have a consistency not greater than 5 units from the original Kreb unit consistency before testing. Paint mixed from the individual partially full containers shall meet all other requirements of this specification and the applicable individual specification sheet. 3.5.5.2 Full co
43、ntainers - all types. When tested in accordance with 4.5.14, the individual components shall show no skinning, livering, curdling, hard settling (caking) or gummy sediment. The paint shall be capable of being mixed to a smooth uniform state with no surface float (separated pigments or other ingredie
44、nts on the surface of the liquid) and shall have a consistency not greater than 5 units from the original Kreb unit consistency before testing. Paint mixed from the individual components shall meet all other requirements of this specification and the applicable individual specification sheet, except
45、 when tested in accordance with 4.5.5, the CIELAB color difference of the mixed paint shall be not greater than 0.5 CIELAB units from the original color values measured prior to the shelf life test and consistency shall be no more than 525 grams to produce a 200 revolution per minute (r/min) Krebs-S
46、tormer shear rate (115 Kreb Units). 3.5.5.3 Accelerated storage stability. When tested in accordance with 4.5.15, previously unopened, original containers of individual components shall have no gelling, skinning, livering, curdling, hard settling (caking) or gummy sediment. The individual components
47、 shall be re-dispersible within 5 minutes with a paddle or mechanical mixer to a uniform condition. When tested in accordance with 4.5.5, the CIELAB color difference of the mixed paint shall be not greater than 0.5 CIELAB units from the original color values measured prior to the shelf life test and
48、 consistency shall be no more than 525 grams to produce a 200 revolution per minute (r/min) Krebs-Stormer shear rate (115 Kreb Units). 3.5.6 Odor. When tested in accordance with 4.5.16, the odor shall be characteristic of the volatiles permitted. 3.5.7 Infrared spectrum. When tested in accordance wi
49、th 4.5.17, the nonvolatile vehicle of: (a) Component A (aliphatic amine) of formulas 184, 185 and 186 shall conform qualitatively to the infrared spectrum on figure 1. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-24631A(SH) w/INT. AMENDMENT 1 6 (b) Component B (epoxy) of formulas 184, 185 and 186 shall conform qualitatively to the infrared spectrum on figure 2. (c) Compo